svn commit: r185433 - head/sys/dev/asmc

[Rui Paulo]

Author: rpaulo
Date: Sat Nov 29 14:20:36 2008
New Revision: 185433
URL: http://svn.freebsd.org/changeset/base/185433

Log:
  Check for non-existing model DMI string.
  
  Submitted by:	ganbold
  Found with:	Coverity Prevent(tm)
  CID:         	2434
  MFC after:	1 week

Modified:
  head/sys/dev/asmc/asmc.c

Modified: head/sys/dev/asmc/asmc.c
==============================================================================
--- head/sys/dev/asmc/asmc.c	Sat Nov 29 13:34:59 2008	(r185432)
+++ head/sys/dev/asmc/asmc.c	Sat Nov 29 14:20:36 2008	(r185433)
@@ -254,6 +254,9 @@ asmc_match(device_t dev)
 	char *model;
 
 	model = getenv("smbios.system.product");
+	if (model == NULL)
+		return (NULL);
+
 	for (i = 0; asmc_models[i].smc_model; i++) {
 		if (!strncmp(model, asmc_models[i].smc_model, strlen(model))) {
 			freeenv(model);