Commit Graph

28 Commits

Author SHA1 Message Date
Thomas Gleixner
1802d0beec treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation this program is
  distributed in the hope that it will be useful but without any
  warranty without even the implied warranty of merchantability or
  fitness for a particular purpose see the gnu general public license
  for more details

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 655 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070034.575739538@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:41 -07:00
Dan Carpenter
b4a7113f84 media: wl128x: Fix some error handling in fmc_prepare()
The st_register() returns have changed over time, but these days it
never returns -1.  We should just be checking for any negative error
codes.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-03-29 07:44:12 -04:00
Dan Carpenter
9c2ccc324b media: wl128x: prevent two potential buffer overflows
Smatch marks skb->data as untrusted so it warns that "evt_hdr->dlen"
can copy up to 255 bytes and we only have room for two bytes.  Even
if this comes from the firmware and we trust it, the new policy
generally is just to fix it as kernel hardenning.

I can't test this code so I tried to be very conservative.  I considered
not allowing "evt_hdr->dlen == 1" because it doesn't initialize the
whole variable but in the end I decided to allow it and manually
initialized "asic_id" and "asic_ver" to zero.

Fixes: e8454ff7b9 ("[media] drivers:media:radio: wl128x: FM Driver Common sources")

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-03-29 07:43:48 -04:00
Dan Carpenter
ef4bb63dc1 media: wl128x: Fix an error code in fm_download_firmware()
We forgot to set "ret" on this error path.

Fixes: e8454ff7b9 ("[media] drivers:media:radio: wl128x: FM Driver Common sources")

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-03-19 16:38:37 -04:00
Mauro Carvalho Chehab
26b190053e media: a few more typos at staging, pci, platform, radio and usb
Those typos were left over from codespell check, on
my first pass or belong to code added after the time I
ran it.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-03-01 10:02:25 -05:00
Colin Ian King
e3e71be056 media: wl128x: fix spelling mistake: "Swtich" -> "Switch"
There is a spelling mistake in a fmdbg debug message. Fix it.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-02-18 12:32:43 -05:00
Kees Cook
297fced0f8 media: radio: Convert timers to use timer_setup()
In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.

Cc: Hans Verkuil <hverkuil@xs4all.nl>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-10-31 07:25:17 -04:00
Johannes Berg
4df864c1d9 networking: make skb_put & friends return void pointers
It seems like a historic accident that these return unsigned char *,
and in many places that means casts are required, more often than not.

Make these functions (skb_put, __skb_put and pskb_put) return void *
and remove all the casts across the tree, adding a (u8 *) cast only
where the unsigned char pointer was used directly, all done with the
following spatch:

    @@
    expression SKB, LEN;
    typedef u8;
    identifier fn = { skb_put, __skb_put };
    @@
    - *(fn(SKB, LEN))
    + *(u8 *)fn(SKB, LEN)

    @@
    expression E, SKB, LEN;
    identifier fn = { skb_put, __skb_put };
    type T;
    @@
    - E = ((T *)(fn(SKB, LEN)))
    + E = fn(SKB, LEN)

which actually doesn't cover pskb_put since there are only three
users overall.

A handful of stragglers were converted manually, notably a macro in
drivers/isdn/i4l/isdn_bsdcomp.c and, oddly enough, one of the many
instances in net/bluetooth/hci_sock.c. In the former file, I also
had to fix one whitespace problem spatch introduced.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-16 11:48:39 -04:00
Johannes Berg
59ae1d127a networking: introduce and use skb_put_data()
A common pattern with skb_put() is to just want to memcpy()
some data into the new space, introduce skb_put_data() for
this.

An spatch similar to the one for skb_put_zero() converts many
of the places using it:

    @@
    identifier p, p2;
    expression len, skb, data;
    type t, t2;
    @@
    (
    -p = skb_put(skb, len);
    +p = skb_put_data(skb, data, len);
    |
    -p = (t)skb_put(skb, len);
    +p = skb_put_data(skb, data, len);
    )
    (
    p2 = (t2)p;
    -memcpy(p2, data, len);
    |
    -memcpy(p, data, len);
    )

    @@
    type t, t2;
    identifier p, p2;
    expression skb, data;
    @@
    t *p;
    ...
    (
    -p = skb_put(skb, sizeof(t));
    +p = skb_put_data(skb, data, sizeof(t));
    |
    -p = (t *)skb_put(skb, sizeof(t));
    +p = skb_put_data(skb, data, sizeof(t));
    )
    (
    p2 = (t2)p;
    -memcpy(p2, data, sizeof(*p));
    |
    -memcpy(p, data, sizeof(*p));
    )

    @@
    expression skb, len, data;
    @@
    -memcpy(skb_put(skb, len), data, len);
    +skb_put_data(skb, data, len);

(again, manually post-processed to retain some comments)

Reviewed-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-16 11:48:37 -04:00
Geliang Tang
729dee30dd [media] wl128x: use setup_timer
Use setup_timer() instead of init_timer() to simplify the code.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-10 14:56:37 -03:00
Sakari Ailus
bcb63314e2 [media] media: Drop FSF's postal address from the source code files
Drop the FSF's postal address from the source code files that typically
contain mostly the license text. Of the 628 removed instances, 578 are
outdated.

The patch has been created with the following command without manual edits:

git grep -l "675 Mass Ave\|59 Temple Place\|51 Franklin St" -- \
	drivers/media/ include/media|while read i; do i=$i perl -e '
open(F,"< $ENV{i}");
$a=join("", <F>);
$a =~ s/[ \t]*\*\n.*You should.*\n.*along with.*\n.*(\n.*USA.*$)?\n//m
	&& $a =~ s/(^.*)Or, (point your browser to) /$1To obtain the license, $2\n$1/m;
close(F);
open(F, "> $ENV{i}");
print F $a;
close(F);'; done

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
2017-01-27 11:38:09 -02:00
Mauro Carvalho Chehab
ac2ac8376e [media] wl128x: use KERNEL_CONT where needed
Some continuation messages are not using KERNEL_CONT.

Since commit 563873318d ("Merge branch 'printk-cleanups"),
this won't work as expected anymore. So, let's add KERN_CONT
to those lines.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-11-18 09:37:24 -02:00
Mauro Carvalho Chehab
e84541f0fb [media] wl128x: don't break long lines
Due to the 80-cols restrictions, and latter due to checkpatch
warnings, several strings were broken into multiple lines. This
is not considered a good practice anymore, as it makes harder
to grep for strings at the source code.

As we're right now fixing other drivers due to KERN_CONT, we need
to be able to identify what printk strings don't end with a "\n".
It is a way easier to detect those if we don't break long lines.

So, join those continuation lines.

The patch was generated via the script below, and manually
adjusted if needed.

</script>
use Text::Tabs;
while (<>) {
	if ($next ne "") {
		$c=$_;
		if ($c =~ /^\s+\"(.*)/) {
			$c2=$1;
			$next =~ s/\"\n$//;
			$n = expand($next);
			$funpos = index($n, '(');
			$pos = index($c2, '",');
			if ($funpos && $pos > 0) {
				$s1 = substr $c2, 0, $pos + 2;
				$s2 = ' ' x ($funpos + 1) . substr $c2, $pos + 2;
				$s2 =~ s/^\s+//;

				$s2 = ' ' x ($funpos + 1) . $s2 if ($s2 ne "");

				print unexpand("$next$s1\n");
				print unexpand("$s2\n") if ($s2 ne "");
			} else {
				print "$next$c2\n";
			}
			$next="";
			next;
		} else {
			print $next;
		}
		$next="";
	} else {
		if (m/\"$/) {
			if (!m/\\n\"$/) {
				$next=$_;
				next;
			}
		}
	}
	print $_;
}
</script>

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-10-21 09:37:45 -02:00
Geert Uytterhoeven
4360fa22ad drivers: misc: ti-st: Use int instead of fuzzy char for callback status
On mips and parisc:

    drivers/bluetooth/btwilink.c: In function 'ti_st_open':
    drivers/bluetooth/btwilink.c:174:21: warning: overflow in implicit constant conversion [-Woverflow]
       hst->reg_status = -EINPROGRESS;

    drivers/nfc/nfcwilink.c: In function 'nfcwilink_open':
    drivers/nfc/nfcwilink.c:396:31: warning: overflow in implicit constant conversion [-Woverflow]
      drv->st_register_cb_status = -EINPROGRESS;

There are actually two issues:
  1. Whether "char" is signed or unsigned depends on the architecture.
     As the completion callback data is used to pass a (negative) error
     code, it should always be signed.
  2. EINPROGRESS is 150 on mips, 245 on parisc.
     Hence -EINPROGRESS doesn't fit in a signed 8-bit number.

Change the callback status from "char" to "int" to fix these.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-07-17 19:59:26 +02:00
Dan Carpenter
aeae69daa3 [media] wl128x: fix typo in MODULE_PARM_DESC
The module_param() is "default_rds_buf" and the MODULE_PARM_DESC()
should match.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2016-02-01 08:00:27 -02:00
Fabian Frederick
453f847ef2 [media] wl128x: use swap() in fm_rdsparse_swapbytes()
Use kernel.h macro definition.

Thanks to Julia Lawall for Coccinelle scripting support.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-07-06 08:25:48 -03:00
Hans Verkuil
1a5cfd0227 [media] wl128x: fix fmdbg compiler warning
fmdrv_common.c: In function 'fm_download_firmware':
fmdrv_common.c:1259:2: warning: format '%d' expects argument of type 'int', but argument 3 has type 'size_t' [-Wformat=]
   fmdbg("Firmware(%s) length : %d bytes\n", fw_name, fw_entry->size);
   ^

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-10-24 09:27:34 -02:00
Hans Verkuil
2a8b7e5888 [media] wl128x: fix sparse warnings
drivers/media/radio/wl128x/fmdrv_common.c:598:32: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:598:32: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:598:32: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:598:32: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:767:38: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:767:38: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:767:38: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:767:38: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:992:21: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:992:21: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:992:21: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:992:21: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:443:41: warning: incorrect type in assignment (different base types)
drivers/media/radio/wl128x/fmdrv_common.c:1359:17: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:1359:17: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:1359:17: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:1359:17: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:1359:39: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:1359:39: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:1359:39: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:1359:39: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:1368:25: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:1368:25: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:1368:25: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:1368:25: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:1368:47: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:1368:47: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:1368:47: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_common.c:1368:47: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_rx.c:119:20: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_rx.c:119:20: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_rx.c:119:20: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_rx.c:119:20: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_rx.c:192:20: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_rx.c:192:20: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_rx.c:192:20: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_rx.c:192:20: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_rx.c:288:28: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_rx.c:288:28: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_rx.c:288:28: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_rx.c:288:28: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_rx.c:534:20: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_rx.c:534:20: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_rx.c:534:20: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_rx.c:534:20: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_rx.c:625:17: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_rx.c:625:17: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_rx.c:625:17: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_rx.c:625:17: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_tx.c:377:20: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_tx.c:377:20: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_tx.c:377:20: warning: cast to restricted __be16
drivers/media/radio/wl128x/fmdrv_tx.c:377:20: warning: cast to restricted __be16

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-09-03 09:39:15 -03:00
Hans Verkuil
883cdd5e3b [media] fmdrv_common: fix sparse warning
drivers/media/radio/wl128x/fmdrv_common.c:178:6: warning: symbol 'g_st_write' was not declared. Should it be static?

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2013-10-15 12:59:16 -03:00
Alexey Khoroshilov
5255e4d9df [media] wl128x: do not call copy_to_user() while holding spinlocks
copy_to_user() must not be called with spinlocks held, but it is in
fmc_transfer_rds_from_internal_buff().
The patch copies data to tmpbuf, releases spinlock and then passes it to userspace.
By the way there is a small unification: replace a couple of hardcoded constants by a macro.
Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-05-21 08:23:31 -03:00
Ezequiel Garcia
c84401c200 [media] wl128x: Replace memcpy with struct assignment
This kind of memcpy() is error-prone. Its replacement with a struct
assignment is prefered because it's type-safe and much easier to read.
Found by coccinelle. Hand patched and reviewed.
Tested by compilation only.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
identifier struct_name;
struct struct_name to;
struct struct_name from;
expression E;
@@
-memcpy(&(to), &(from), E);
+to = from;
// </smpl>

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-12-27 19:03:46 -02:00
Mauro Carvalho Chehab
5a3ef81074 [media] fmdrv: Don't check if unsigned are below zero
drivers/media/radio/wl128x/fmdrv_common.c:745:3: warning: comparison is always false due to limited range of data type [-Wtype-limits]
drivers/media/radio/wl128x/fmdrv_rx.c:308:2: warning: comparison is always false due to limited range of data type [-Wtype-limits]

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-10-28 07:39:04 -02:00
Xi Wang
a61278037b [media] wl128x: fmdrv_common: fix signedness bugs
Message-Id: <1322820073-19347-2-git-send-email-xi.wang@gmail.com>

The error handling with (ret < 0) didn't work where ret is a u32.
Use int instead.  To be consistent we also change the functions to
return an int.

Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-12-30 17:00:56 -02:00
Linus Torvalds
42933bac11 Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6
* 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6:
  Fix common misspellings
2011-04-07 11:14:49 -07:00
Manjunatha Halli
6705a9cc52 [media] radio: wl128x: Update registration process with ST
As underlying ST driver registration API's have changed with
latest 2.6.38-rc8 kernel this patch will update the FM driver
accordingly.

Signed-off-by: Manjunatha Halli <manjunatha_halli@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-03-31 18:49:46 -03:00
Lucas De Marchi
25985edced Fix common misspellings
Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
2011-03-31 11:26:23 -03:00
Hans Verkuil
cfa746b39c [media] fmdrv_common.c: fix compiler warning
drivers/media/radio/wl128x/fmdrv_common.c: In function 'recv_tasklet':
drivers/media/radio/wl128x/fmdrv_common.c:274:4: warning: format '%d' expects type 'int', but argument 4 has type 'long unsigned int'

The result of sizeof() should be printed with %zu.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-03-22 04:54:02 -03:00
Manjunatha Halli
e8454ff7b9 [media] drivers:media:radio: wl128x: FM Driver Common sources
These are the sources for the common interfaces required by the
FM V4L2 driver for TI WL127x and WL128x chips.

These implement the FM channel-8 protocol communication with the
chip. This makes use of the Shared Transport as its transport.

Signed-off-by: Manjunatha Halli <manjunatha_halli@ti.com>
Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-03-21 20:32:35 -03:00