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| author | Alan Stern <[email protected]> | 2017-09-21 20:12:01 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2017-09-22 16:29:00 +0000 |
| commit | 6e76c01e71551cb221c1f3deacb9dcd9a7346784 (patch) | |
| tree | 7d82a827794b423e0e7232a87f0656f2aa5add8a /tools/perf/scripts/python/futex-contention.py | |
| parent | USB: uas: fix bug in handling of alternate settings (diff) | |
| download | kernel-6e76c01e71551cb221c1f3deacb9dcd9a7346784.tar.gz kernel-6e76c01e71551cb221c1f3deacb9dcd9a7346784.zip | |
USB: gadgetfs: fix copy_to_user while holding spinlock
The gadgetfs driver as a long-outstanding FIXME, regarding a call of
copy_to_user() made while holding a spinlock. This patch fixes the
issue by dropping the spinlock and using the dev->udc_usage mechanism
introduced by another recent patch to guard against status changes
while the lock isn't held.
Signed-off-by: Alan Stern <[email protected]>
Reported-by: Andrey Konovalov <[email protected]>
CC: <[email protected]>
Acked-by: Felipe Balbi <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/futex-contention.py')
0 files changed, 0 insertions, 0 deletions