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@xxxxxxxxxx>
---
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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