From 2775f46e126c66b1b4100195d5cc6844c36ea35c Mon Sep 17 00:00:00 2001
From: Alexandre Ratchov <alex@caoua.org>
Date: Tue, 17 Apr 2012 16:33:16 +0200
Subject: [PATCH] panic (and show fill trace) if we try to delete a NULL aproc

---
 aucat/aproc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/aucat/aproc.c b/aucat/aproc.c
index 6d528ab..6e9d969 100644
--- a/aucat/aproc.c
+++ b/aucat/aproc.c
@@ -173,6 +173,12 @@ aproc_del(struct aproc *p)
 {
 	struct abuf *i;
 
+#ifdef DEBUG
+	if (!p) {
+		dbg_puts("aproc_del: called with NULL argument\n");
+		dbg_panic();
+	}
+#endif
 	if (!(p->flags & APROC_ZOMB)) {
 #ifdef DEBUG
 		if (debug_level >= 3) {