[PATCH] ubifs: Fix memory leak in error path in ubifs_mknod

From: Richard Weinberger
Date: Fri Feb 10 2017 - 14:13:10 EST


When fscrypt_setup_filename() fails we have to free dev.

Signed-off-by: Richard Weinberger <richard@xxxxxx>
---
fs/ubifs/dir.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index 528369f3e472..e164782f8bc8 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -1068,8 +1068,10 @@ static int ubifs_mknod(struct inode *dir, struct dentry *dentry,
}

err = fscrypt_setup_filename(dir, &dentry->d_name, 0, &nm);
- if (err)
+ if (err) {
+ kfree(dev);
goto out_budg;
+ }

sz_change = CALC_DENT_SIZE(fname_len(&nm));

--
2.10.2