Commit 59463eb8 authored Dec 03, 2020 by Aurelien Aptel Committed by Steve French Dec 03, 2020

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>

parent 79631784

fs/cifs/connect.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -4546,6 +4546,7 @@ 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++;
		if (ses->tcon_ipc)
		ses->tcon_ipc->remap = cifs_remap(cifs_sb);
		spin_unlock(&cifs_tcp_ses_lock);
		}

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