| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.7 65/69] hostfs: Freeing an ERR_PTR in hostfs_fill_sb_common() | Date | Wed, 28 Sep 2016 11:05:47 +0200 |
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4.7-stable review patch. If anyone has any objections, please let me know.
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From: Dan Carpenter <dan.carpenter@oracle.com>
commit 8a545f185145e3c09348cd74326268ecfc6715a3 upstream.
We can't pass error pointers to kfree() or it causes an oops.
Fixes: 52b209f7b848 ('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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- fs/hostfs/hostfs_kern.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)
--- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -959,10 +959,11 @@ static int hostfs_fill_sb_common(struct 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;
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