diff options
| author | Wei Yongjun <weiyongjun1@huawei.com> | 2018-06-05 09:16:21 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-06-05 21:33:57 +1000 |
| commit | 2e5c93d6bb2f7bc17eb82748943a1b9f6b068520 (patch) | |
| tree | 1ce9a3ff3b86a8e95d36b181586941f22d462af1 /drivers/misc | |
| parent | b0c4acb1dd7c653f78391661079af544429b1f22 (diff) | |
ocxl: Fix missing unlock on error in afu_ioctl_enable_p9_wait()
Add the missing unlock before return from function
afu_ioctl_enable_p9_wait() in the error handling case.
Fixes: e948e06fc63a ("ocxl: Expose the thread_id needed for wait on POWER9")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Alastair D'Silva <alastair@d-silva.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/ocxl/file.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/misc/ocxl/file.c b/drivers/misc/ocxl/file.c index 33ae46ce0a8a..e6a607488f8a 100644 --- a/drivers/misc/ocxl/file.c +++ b/drivers/misc/ocxl/file.c @@ -139,8 +139,10 @@ static long afu_ioctl_enable_p9_wait(struct ocxl_context *ctx, // Locks both status & tidr mutex_lock(&ctx->status_mutex); if (!ctx->tidr) { - if (set_thread_tidr(current)) + if (set_thread_tidr(current)) { + mutex_unlock(&ctx->status_mutex); return -ENOENT; + } ctx->tidr = current->thread.tidr; } |