selinux: fix error return code in cond_read_list()

Fix to return negative error code -ENOMEM from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: 60abd3181db2 ("selinux: convert cond_list to array")
Signed-off-by: Wei Yongjun <[e-mail]>
Reviewed-by: Ondrej Mosnacek <[e-mail]>
Signed-off-by: Paul Moore <[e-mail]>

security/selinux/ss/conditional.c

···
 
 	p->cond_list = kcalloc(len, sizeof(*p->cond_list), GFP_KERNEL);
 	if (!p->cond_list)
-		return rc;
+		return -ENOMEM;
 
 	rc = avtab_alloc(&(p->te_cond_avtab), p->te_avtab.nel);
 	if (rc)