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authorPaulo Alcantara <pc@manguebit.com>2023-03-14 20:32:56 -0300
committerSteve French <stfrench@microsoft.com>2023-03-14 22:48:53 -0500
commit6284e46bdd47743a064fe6ac834a7ac05b1fd206 (patch)
treed4af34cf76074244b91c12ed49b8911be48a378d /fs
parentf446a630802f154ef0087771683bd4f8e9d08384 (diff)
cifs: use DFS root session instead of tcon ses
Use DFS root session whenever possible to get new DFS referrals otherwise we might end up with an IPC tcon (tcon->ses->tcon_ipc) that doesn't respond to them. It should be safe accessing @ses->dfs_root_ses directly in cifs_inval_name_dfs_link_error() as it has same lifetime as of @tcon. Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com> Cc: stable@vger.kernel.org # 6.2 Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/cifs/misc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index 6f9c78650528..b44fb51968bf 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -1262,6 +1262,7 @@ int cifs_inval_name_dfs_link_error(const unsigned int xid,
* removing cached DFS targets that the client would eventually
* need during failover.
*/
+ ses = CIFS_DFS_ROOT_SES(ses);
if (ses->server->ops->get_dfs_refer &&
!ses->server->ops->get_dfs_refer(xid, ses, ref_path, &refs,
&num_refs, cifs_sb->local_nls,