Messages in this thread Patch in this message | | | From | Wei Yongjun <> | Subject | [PATCH -next] ocxl: Fix missing unlock on error in afu_ioctl_enable_p9_wait() | Date | Tue, 5 Jun 2018 09:16:21 +0000 |
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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> --- drivers/misc/ocxl/file.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/misc/ocxl/file.c b/drivers/misc/ocxl/file.c index 33ae46c..e6a6074 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; }
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