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hostfs: Freeing an ERR_PTR in hostfs_fill_sb_common()

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commit 8a545f1851 upstream.

We can't pass error pointers to kfree() or it causes an oops.

Fixes: 52b209f7b8 ('get rid of hostfs_read_inode()')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
This commit is contained in:
Dan Carpenter 2016-07-13 13:12:34 +03:00 committed by Jiri Slaby
parent e80908c3e9
commit 89f00a62a4
1 changed files with 4 additions and 3 deletions
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7
fs/hostfs/hostfs_kern.c
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@ -948,10 +948,11 @@ static int hostfs_fill_sb_common(struct super_block *sb, void *d, int silent)
if (S_ISLNK(root_inode->i_mode)) {
char *name = follow_link(host_root_path);
if (IS_ERR(name))
if (IS_ERR(name)) {
err = PTR_ERR(name);
else
err = read_name(root_inode, name);
goto out_put;
}
err = read_name(root_inode, name);
kfree(name);
if (err)
goto out_put;