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| author |   Kautuk Consul <kautuk.consul.1980@gmail.com> | 2016-04-19 15:48:21 +0530 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2017-10-06 20:51:52 +1100 |
| commit | 4ca360f3dbf2036d964cdf3a6c4a45a81fdf8e18 (patch) | |
| tree | 410ee4122e075d177af46e049efa823b6b9f02b9 /drivers/misc | |
| parent | selftests/powerpc: Use snprintf to construct DSCR sysfs interface paths (diff) | |
| download | linux-dev-4ca360f3dbf2036d964cdf3a6c4a45a81fdf8e18.tar.xz linux-dev-4ca360f3dbf2036d964cdf3a6c4a45a81fdf8e18.zip | |
powerpc: get_wchan(): solve possible race scenario due to parallel wakeup
Add a check for p->state == TASK_RUNNING so that any wake-ups on
task_struct p in the interim lead to 0 being returned by get_wchan().
Signed-off-by: Kautuk Consul <kautuk.consul.1980@gmail.com>
[mpe: Confirmed other architectures do similar]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'drivers/misc')
0 files changed, 0 insertions, 0 deletions