Re: [CHECKER] 32 Memory Leaks on Error Paths

[Chris Wright <chrisw@osdl.org>]

* David Yu Chen (dychen@stanford.edu) wrote:
> [FILE:  2.6.0-test5/net/irda/irlmp.c]
> [FUNC:  irlmp_open_lsap]
> [LINES: 161-183]
> [VAR:   self]
> START -->
>  161:	self = kmalloc(sizeof(struct lsap_cb), GFP_ATOMIC);
>  162:	if (self == NULL) {
>  163:		ERROR("%s: can't allocate memory", __FUNCTION__);
>  164:		return NULL;
> END -->
>  183:	ASSERT(notify->instance != NULL, return NULL;);

Yes, this is a bug.  Patch below.  Jean, look ok?

thanks,
-chris

===== net/irda/irlmp.c 1.29 vs edited =====
--- 1.29/net/irda/irlmp.c	Sat Sep 20 00:48:35 2003
+++ edited/net/irda/irlmp.c	Tue Sep 23 12:09:02 2003
@@ -178,7 +178,7 @@
 
 	init_timer(&self->watchdog_timer);
 
-	ASSERT(notify->instance != NULL, return NULL;);
+	ASSERT(notify->instance != NULL, goto error;);
 	self->notify = *notify;
 
 	self->lsap_state = LSAP_DISCONNECTED;
@@ -188,6 +188,9 @@
 		       (long) self, NULL);
 
 	return self;
+error:
+	kfree(self);
+	return NULL;
 }
 
 /*