svn commit: r209737 - head/sys/dev/fb
Jung-uk Kim
jkim at FreeBSD.org
Tue Jul 6 18:05:06 UTC 2010
Author: jkim
Date: Tue Jul 6 18:05:05 2010
New Revision: 209737
URL: http://svn.freebsd.org/changeset/base/209737
Log:
Fix a possible null pointer dereference. A patch for -STABLE was
Submitted by: Yamagi Burmeister (lists at yamagi dot org)
Modified:
head/sys/dev/fb/vesa.c
Modified: head/sys/dev/fb/vesa.c
==============================================================================
--- head/sys/dev/fb/vesa.c Tue Jul 6 17:20:08 2010 (r209736)
+++ head/sys/dev/fb/vesa.c Tue Jul 6 18:05:05 2010 (r209737)
@@ -536,6 +536,8 @@ vesa_bios_save_restore(int code, void *p
return (1);
buf = x86bios_alloc(&offs, size, M_NOWAIT);
+ if (buf == NULL)
+ return (1);
x86bios_init_regs(®s);
regs.R_AX = 0x4f04;
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