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| author | Jia-Ju Bai <[email protected]> | 2017-12-12 21:08:06 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2017-12-13 12:48:46 +0100 |
| commit | 705f385849b209605dadf0450effd96947fdb6c6 (patch) | |
| tree | 882ab89ea7d758c45413b0072d1eb5e725cea13b /tools/perf/scripts/python/net_dropmonitor.py | |
| parent | d6a5eee8e050d85a65afb22f5259e3619f0b8cb0 (diff) | |
rtl8188eu: Fix a possible sleep-in-atomic bug in set_tx_beacon_cmd
The driver may sleep under a spinlock.
The function call path is:
update_beacon (acquire the spinlock)
update_BCNTIM
set_tx_beacon_cmd
kzalloc(GFP_KERNEL) --> may sleep
kmemdup(GFP_KERNEL) --> may sleep
To fix it, GFP_KERNEL is replaced with GFP_ATOMIC.
This bug is found by my static analysis tool(DSAC) and checked by my code review.
Signed-off-by: Jia-Ju Bai <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/net_dropmonitor.py')
0 files changed, 0 insertions, 0 deletions