diff options
| author | Aurelien Aptel | 2020-12-03 19:46:08 +0100 |
|---|---|---|
| committer | Steve French | 2020-12-03 17:06:03 -0600 |
| commit | 59463eb88829f646aed13283fd84d02a475334fe (patch) | |
| tree | 5d1f843d47fcccd259a9e8cc94c6de58f92d73b1 | |
| parent | 796317848517292eb951d8876773b98867cf3c28 (diff) | |
cifs: add NULL check for ses->tcon_ipc
In some scenarios (DFS and BAD_NETWORK_NAME) set_root_set() can be
called with a NULL ses->tcon_ipc.
Signed-off-by: Aurelien Aptel <aaptel@suse.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
| -rw-r--r-- | fs/cifs/connect.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 28c1459fb0fc..44f9cce57099 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -4546,7 +4546,8 @@ static void set_root_ses(struct cifs_sb_info *cifs_sb, struct cifs_ses *ses, if (ses) { spin_lock(&cifs_tcp_ses_lock); ses->ses_count++; - ses->tcon_ipc->remap = cifs_remap(cifs_sb); + if (ses->tcon_ipc) + ses->tcon_ipc->remap = cifs_remap(cifs_sb); spin_unlock(&cifs_tcp_ses_lock); } *root_ses = ses; |