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authorDan Carpenter <[email protected]>2017-09-22 23:45:18 +0300
committerMiklos Szeredi <[email protected]>2017-10-19 16:19:52 +0200
commit0ce5cdc9d79277e55c3d80bf7d2b1adea2752078 (patch)
tree63a093a0e017fd8064ee8a98de5f383593dcf42a
parentb3885bd6edb41b91a0e3976469f72ae31bfb8d95 (diff)
ovl: Return -ENOMEM if an allocation fails ovl_lookup()
The error code is missing here so it means we return ERR_PTR(0) or NULL. The other error paths all return an error code so this probably should as well. Fixes: 02b69b284cd7 ("ovl: lookup redirects") Signed-off-by: Dan Carpenter <[email protected]> Reviewed-by: Chandan Rajendra <[email protected]> Signed-off-by: Miklos Szeredi <[email protected]>
-rw-r--r--fs/overlayfs/namei.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c
index 654bea1a5ac9..e08164156cfe 100644
--- a/fs/overlayfs/namei.c
+++ b/fs/overlayfs/namei.c
@@ -635,6 +635,7 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry,
}
if (d.redirect) {
+ err = -ENOMEM;
upperredirect = kstrdup(d.redirect, GFP_KERNEL);
if (!upperredirect)
goto out_put_upper;