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| author |   Jia-Ju Bai <baijiaju1990@163.com> | 2017-10-08 19:54:53 +0800 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-18 15:43:35 +0200 |
| commit | f3691e0042071812556f5444a944a175ca9746c6 (patch) | |
| tree | 9e45164152c49a1e9d0df31c74d6396bf8f86dd8 /tools/perf/scripts/python/bin/stackcollapse-record | |
| parent | rtl8188eu: Fix a possible sleep-in-atomic bug in rtw_createbss_cmd (diff) | |
rtl8188eu: Fix a possible sleep-in-atomic bug in _rtw_pwr_wakeup
The driver may sleep under a spinlock, and the function call path is:
rtw_set_802_11_disassociate(acquire the spinlock)
_rtw_pwr_wakeup
usleep_range --> may sleep
To fix it, usleep_range is replaced with udelay.
This bug is found by my static analysis tool and my code review.
Signed-off-by: Jia-Ju Bai <baijiaju1990@163.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-record')
0 files changed, 0 insertions, 0 deletions