Re: [PATCH -next] 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 <redacted>
---
  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;
+			}