diff options
| author | Paulo Alcantara <pc@manguebit.com> | 2023-04-26 13:43:53 -0300 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2023-05-03 23:29:39 -0500 |
| commit | 3dc9c433c9dde15477d02b609ccb4328e2adb6dc (patch) | |
| tree | d097b78d406ba5b6324c3e732ce8aebfc6aa4440 /fs/cifs/dfs_cache.c | |
| parent | ee20d7c6100752eaf2409d783f4f1449c29ea33d (diff) | |
cifs: protect access of TCP_Server_Info::{origin,leaf}_fullpath
Protect access of TCP_Server_Info::{origin,leaf}_fullpath when
matching DFS connections, and get rid of
TCP_Server_Info::current_fullpath while we're at it.
Cc: stable@vger.kernel.org # v6.2+
Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs/dfs_cache.c')
| -rw-r--r-- | fs/cifs/dfs_cache.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/cifs/dfs_cache.c b/fs/cifs/dfs_cache.c index 30cbdf8514a5..6557d7b2798a 100644 --- a/fs/cifs/dfs_cache.c +++ b/fs/cifs/dfs_cache.c @@ -1278,8 +1278,12 @@ static void refresh_cache_worker(struct work_struct *work) spin_lock(&cifs_tcp_ses_lock); list_for_each_entry(server, &cifs_tcp_ses_list, tcp_ses_list) { - if (!server->leaf_fullpath) + spin_lock(&server->srv_lock); + if (!server->leaf_fullpath) { + spin_unlock(&server->srv_lock); continue; + } + spin_unlock(&server->srv_lock); list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) { if (ses->tcon_ipc) { |