[PATCH] fsm.c - null ptr fixes for 2.4.4

From: Praveen Srinivasan (praveens@stanford.edu)
Date: Thu May 24 2001 - 02:27:29 EST


Hi,
Using the Stanford checker, we searched for null-pointer bugs in the linux
kernel code. This patch fixes numerous unchecked pointers in the ISDN hisax
card driver (fsm.c).

Praveen Srinivasan and Frederick Akalin

--- ../linux/./drivers/isdn/hisax/fsm.c Fri Mar 2 11:12:08 2001
+++ ./drivers/isdn/hisax/fsm.c Mon May 7 21:58:38 2001
@@ -22,6 +22,10 @@
 
         fsm->jumpmatrix = (FSMFNPTR *)
                 kmalloc(sizeof (FSMFNPTR) * fsm->state_count * fsm->event_count,
GFP_KERNEL);
+ if(fsm->jumpmatrix == NULL) {
+ return;
+ }
+
         memset(fsm->jumpmatrix, 0, sizeof (FSMFNPTR) * fsm->state_count *
fsm->event_count);
 
         for (i = 0; i < fncount; i++
-
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This archive was generated by hypermail 2b29 : Thu May 31 2001 - 21:00:14 EST