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| author | Yogesh Ashok Powar <yogeshp@marvell.com> | 2011-07-13 12:12:06 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-07-15 17:38:30 (GMT) |
| commit | 16c929df0895e6f52f4a0f17683d709f5fef95d8 (patch) | |
| tree | b0dfdbf0e252ddef7ab480233ce8842c0e7867a1 /fs/btrfs/free-space-cache.h | |
| parent | 5a865bad44984de245d20bfb7cff99993e8e8294 (diff) | |
| download | linux-fsl-qoriq-16c929df0895e6f52f4a0f17683d709f5fef95d8.tar.xz | |
mwl8k: Fixing sta dereference when ieee80211_tx_info->control.sta is NULL
Following oops was seen on SMP machine
>BUG: unable to handle kernel NULL pointer dereference at 00000012
>IP: [<f8c56691>] mwl8k_tx+0x20e/0x561 [mwl8k]
>*pde = 00000000
>Oops: 0000 [#1] SMP
>Modules linked in: mwl8k mac80211 cfg80211 [last unloaded: cfg80211]
As ieee80211_tx_info->control.sta may be NULL during ->tx call, avoiding sta
dereference in such scenario with the following patch.
Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'fs/btrfs/free-space-cache.h')
0 files changed, 0 insertions, 0 deletions