While target_sd or sd are null, it won't need sysfs_put and
should return -ENOENT directly. Here add null check for
target_sd and sd.
Signed-off-by: Rui Xiang <rui.xi...@huawei.com>
---
fs/sysfs/symlink.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c
index 3ae3f1b..d69b786 100644
--- a/fs/sysfs/symlink.c
+++ b/fs/sysfs/symlink.c
@@ -83,8 +83,10 @@ static int sysfs_do_create_link_sd(struct sysfs_dirent
*parent_sd,
return 0;
out_put:
- sysfs_put(target_sd);
- sysfs_put(sd);
+ if (target_sd)
+ sysfs_put(target_sd);
+ if (sd)
+ sysfs_put(sd);
return error;
}
--
1.8.2.2
--
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