Larry Finger 5a2766abe4 rtlwifi: Fix IRQ disabled warning ... The PCI-based drivers can generate the following warning: [ 9497.776350] ------------[ cut here ]------------ [ 9497.776366] WARNING: at kernel/softirq.c:159 local_bh_enable_ip+0x7a/0xa0() [ 9497.776370] Hardware name: 05794NC [ 9497.776597] Pid: 6413, comm: hostapd Not tainted 3.3.0-4.fc16.x86_64 #1 [ 9497.776601] Call Trace: [ 9497.776612] [<ffffffff81057b1f>] warn_slowpath_common+0x7f/0xc0 [ 9497.776633] [<ffffffffa034a099>] ? rtl_pci_reset_trx_ring+0x199/0x230 [rtlwifi] [ 9497.776640] [<ffffffff81057b7a>] warn_slowpath_null+0x1a/0x20 [ 9497.776646] [<ffffffff8105f06a>] local_bh_enable_ip+0x7a/0xa0 [ 9497.776654] [<ffffffff815f3ef6>] _raw_spin_unlock_bh+0x16/0x20 [ 9497.776671] [<ffffffffa03e50de>] destroy_conntrack+0x9e/0x120 [nf_conntrack] [ 9497.776681] [<ffffffff81511847>] nf_conntrack_destroy+0x17/0x20 [ 9497.776689] [<ffffffff814d9c85>] skb_release_head_state+0xe5/0x120 [ 9497.776695] [<ffffffff814d98b6>] __kfree_skb+0x16/0xa0 [ 9497.776700] [<ffffffff814d9a35>] kfree_skb+0x45/0xc0 [ 9497.776717] [<ffffffffa034a099>] rtl_pci_reset_trx_ring+0x199/0x230 [rtlwifi] [ 9497.776734] [<ffffffffa034a155>] rtl_pci_start+0x25/0x1d0 [rtlwifi] [ 9497.776750] [<ffffffffa03440b5>] rtl_op_start+0x55/0x90 [rtlwifi] [ 9497.776785] [<ffffffffa02c4956>] ieee80211_do_open+0x296/0xa10 [mac80211] [ 9497.776794] [<ffffffff815f7ddd>] ? notifier_call_chain+0x4d/0x70 [ 9497.776828] [<ffffffffa02c513d>] ieee80211_open+0x6d/0x80 [mac80211] [ 9497.776836] [<ffffffff814e8b3f>] __dev_open+0x8f/0xe0 [ 9497.776842] [<ffffffff814e8de1>] __dev_change_flags+0xa1/0x180 [ 9497.776847] [<ffffffff814e8f78>] dev_change_flags+0x28/0x70 [ 9497.776856] [<ffffffff8154e99d>] devinet_ioctl+0x61d/0x7b0 [ 9497.776863] [<ffffffff8154ef55>] inet_ioctl+0x75/0x90 [ 9497.776870] [<ffffffff814cdd50>] sock_do_ioctl+0x30/0x70 [ 9497.776876] [<ffffffff814cee09>] sock_ioctl+0x79/0x2f0 [ 9497.776885] [<ffffffff81193498>] do_vfs_ioctl+0x98/0x550 [ 9497.776891] [<ffffffff811939e1>] sys_ioctl+0x91/0xa0 [ 9497.776897] [<ffffffff815fc029>] system_call_fastpath+0x16/0x1b [ 9497.776902] ---[ end trace 22886c442489082d ]--- The cause is due to calling kfree_skb() with interrupts disabled. This bug is discussed in https://bugzilla.redhat.com/show_bug.cgi?id=797709. Reported-and-Tested by: Ivan Ivanovich <iivanich@gmail.com> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>		2012-06-26 14:28:50 -04:00
..
rtl8192c	rtlwifi: rtl8192c: Convert driver to use private ps_t struct	2012-04-23 15:35:32 -04:00
rtl8192ce	drivers/net: Convert compare_ether_addr to ether_addr_equal	2012-05-10 23:33:01 -04:00
rtl8192cu	USB 3.5-rc1 pull request	2012-05-22 15:50:46 -07:00
rtl8192de	drivers/net: Convert compare_ether_addr to ether_addr_equal	2012-05-10 23:33:01 -04:00
rtl8192se	rtlwifi: rtl8192se: Fix gcc 4.7.x warning	2012-06-20 15:14:57 -04:00
base.c	drivers/net: Convert compare_ether_addr to ether_addr_equal	2012-05-10 23:33:01 -04:00
base.h	rtlwifi: Update copyright dates	2012-01-24 14:08:37 -05:00
cam.c	rtlwifi: Change debug level for deletion of an entry in CAM	2012-06-22 14:44:06 -04:00
cam.h	rtlwifi: Update copyright dates	2012-01-24 14:08:37 -05:00
core.c	rtlwifi: Remove extra debugging message accidentally left in	2012-02-06 14:53:09 -05:00
core.h	rtlwifi: Convert to asynchronous firmware load	2012-01-30 15:48:50 -05:00
debug.c	rtlwifi: Move pr_fmt macros to a single location	2012-01-30 15:48:23 -05:00
debug.h	rtlwifi: Update copyright dates	2012-01-24 14:08:37 -05:00
efuse.c	drivers/net: Remove boolean comparisons to true/false	2012-02-13 00:47:40 -05:00
efuse.h	rtlwifi: Update copyright dates	2012-01-24 14:08:37 -05:00
Kconfig	rtlwifi: Fix breakage in debug functions when built as a module	2012-02-27 14:05:45 -05:00
Makefile	rtlwifi: rtl8192de: Modify Kconfig and Makefile routines for new driver	2011-06-27 15:09:38 -04:00
pci.c	rtlwifi: Fix IRQ disabled warning	2012-06-26 14:28:50 -04:00
pci.h	rtlwifi: Convert to asynchronous firmware load	2012-01-30 15:48:50 -05:00
ps.c	drivers/net: Convert compare_ether_addr to ether_addr_equal	2012-05-10 23:33:01 -04:00
ps.h	rtlwifi: Update copyright dates	2012-01-24 14:08:37 -05:00
rc.c	mac80211: remove channel type argument from rate_update	2012-04-10 14:54:08 -04:00
rc.h	rtlwifi: Update copyright dates	2012-01-24 14:08:37 -05:00
regd.c	rtlwifi: Update copyright dates	2012-01-24 14:08:37 -05:00
regd.h	rtlwifi: Update copyright dates	2012-01-24 14:08:37 -05:00
usb.c	rtlwifi: fix for race condition when firmware is cached	2012-05-14 13:51:24 -04:00
usb.h	rtlwifi: Move pr_fmt macros to a single location	2012-01-30 15:48:23 -05:00
wifi.h	rtlwifi: Add dm structs to private structure	2012-04-23 15:35:32 -04:00