Commit 20b135e4 authored Aug 05, 2020 by Dan Carpenter Committed by Steve French Aug 06, 2020

cifs: Fix an error pointer dereference in cifs_mount()



The error handling calls kfree(full_path) so we can't let it be a NULL
pointer.  There used to be a NULL assignment here but we accidentally
deleted it.  Add it back.

Fixes: 7efd0815 ("cifs: document and cleanup dfs mount")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>

parent 327a8d76

fs/cifs/connect.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -4886,6 +4886,7 @@ int cifs_mount(struct cifs_sb_info cifs_sb, struct smb_vol vol)
		full_path = build_unc_path_to_root(vol, cifs_sb, !!count);
		if (IS_ERR(full_path)) {
		rc = PTR_ERR(full_path);
		full_path = NULL;
		break;
		}
		/* Chase referral */

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