If "err" is -EINTR here the original code calls mutex_unlock() and then
returns, but it should just return directly.
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index d8a3afe..bbe00cf 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -130,6 +130,8 @@ static int v9fs_dir_readdir(struct file *filp, void *dirent, filldir_t filldir)
rdir = (struct p9_rdir *) fid->rdir;
err = mutex_lock_interruptible(&rdir->mutex);
+ if (err)
+ return err;
while (err == 0) {
if (rdir->tail == rdir->head) {
err = v9fs_file_readn(filp, rdir->buf, NULL,
--
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