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authorZhang Xiaoxu <zhangxiaoxu5@huawei.com>2022-10-17 22:45:25 +0800
committerSteve French <stfrench@microsoft.com>2022-10-18 11:33:43 -0500
commit10269f13257d4eb6061d09ccce61666316df9838 (patch)
tree0847a816afcaede99b1379238c6626d864d5bc76 /fs
parente909d054bdea75ef1ec48c18c5936affdaecbb2c (diff)
cifs: Fix xid leak in cifs_get_file_info_unix()
If stardup the symlink target failed, should free the xid, otherwise the xid will be leaked. Fixes: 76894f3e2f71 ("cifs: improve symlink handling for smb2+") Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz> Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com> Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/cifs/inode.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 7cf96e581d24..9bde08d44617 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -368,8 +368,10 @@ cifs_get_file_info_unix(struct file *filp)
if (cfile->symlink_target) {
fattr.cf_symlink_target = kstrdup(cfile->symlink_target, GFP_KERNEL);
- if (!fattr.cf_symlink_target)
- return -ENOMEM;
+ if (!fattr.cf_symlink_target) {
+ rc = -ENOMEM;
+ goto cifs_gfiunix_out;
+ }
}
rc = CIFSSMBUnixQFileInfo(xid, tcon, cfile->fid.netfid, &find_data);