Matthew Wilcox 3fc2579e6f fls: change parameter to unsigned int ...

When testing in userspace, UBSAN pointed out that shifting into the sign
bit is undefined behaviour.  It doesn't really make sense to ask for the
highest set bit of a negative value, so just turn the argument type into
an unsigned int.

Some architectures (eg ppc) already had it declared as an unsigned int,
so I don't expect too many problems.

Link: http://lkml.kernel.org/r/20181105221117.31828-1-willy@infradead.org
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2019-01-04 13:13:46 -08:00

..

acpi

Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2018-12-26 17:03:51 -08:00

asm-generic

fls: change parameter to unsigned int

2019-01-04 13:13:46 -08:00

clocksource

Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

2018-04-05 21:21:08 -07:00

crypto

crypto: skcipher - remove remnants of internal IV generators

2018-12-23 11:52:45 +08:00

drm

Merge branch 'drm-next-4.21' of git://people.freedesktop.org/~agd5f/linux into drm-next

2018-12-13 10:06:34 +10:00

dt-bindings

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

2019-01-02 18:56:59 -08:00

keys

KEYS: Move trusted.h to include/keys [ver #2]

2018-10-26 09:30:47 +01:00

kvm

KVM: arm/arm64: Remove arch timer workqueue

2018-12-19 17:47:07 +00:00

linux

include/linux/printk.h: drop silly "static inline asmlinkage" from dump_stack()

2019-01-04 13:13:46 -08:00

math-emu

math-emu/soft-fp.h: (_FP_ROUND_ZERO) cast 0 to void to fix warning

2018-11-22 18:13:42 +08:00

media

Merge tag 'media/v4.20-7' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

2018-12-25 13:11:30 -08:00

memory

ddr: add LPDDR2 data from JESD209-2

2012-05-02 00:04:06 -07:00

misc

Revert "cxl: Allow a default context to be associated with an external pci_dev"

2018-07-02 23:54:33 +10:00

net

net: dccp: fix kernel crash on module load

2018-12-24 15:27:56 -08:00

pcmcia

…

ras

PCI/AER: Add TLP header information to tracepoint

2018-05-10 08:34:52 -05:00

rdma

IB/core: uverbs copy to struct or zero helper

2018-12-20 15:18:18 -07:00

scsi

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

2018-12-28 14:57:10 -08:00

soc

Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

2018-12-31 17:32:35 -08:00

sound

ALSA: HD-Audio: SKL+: force HDaudio legacy or SKL+ driver selection

2018-12-19 18:07:23 +01:00

target

scsi: target: consistently null-terminate t10_wwn strings

2018-12-07 21:54:33 -05:00

trace

Merge tag 'nfs-for-4.21-1' of git://git.linux-nfs.org/projects/anna/linux-nfs

2019-01-02 16:35:23 -08:00

uapi

Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

2019-01-02 18:54:45 -08:00

video

drm/exynos: fimd: Make pixel blend mode configurable

2018-12-14 15:46:15 +09:00

xen

xen: Introduce shared buffer helpers for page directory...

2018-12-18 12:15:55 -05:00