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author | jkim <jkim@FreeBSD.org> | 2010-07-06 18:05:05 +0000 |
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committer | jkim <jkim@FreeBSD.org> | 2010-07-06 18:05:05 +0000 |
commit | fd17cc16ea839a4176e912edeed32a29e4cb454a (patch) | |
tree | d671c36f3d6f71ba49c12c818bcc29f6c208f687 /sys/dev/fb/vesa.c | |
parent | 01650ad878472e2c42f627f44fca98f5a039d9fa (diff) | |
download | FreeBSD-src-fd17cc16ea839a4176e912edeed32a29e4cb454a.zip FreeBSD-src-fd17cc16ea839a4176e912edeed32a29e4cb454a.tar.gz |
Fix a possible null pointer dereference. A patch for -STABLE was
Submitted by: Yamagi Burmeister (lists at yamagi dot org)
Diffstat (limited to 'sys/dev/fb/vesa.c')
-rw-r--r-- | sys/dev/fb/vesa.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/dev/fb/vesa.c b/sys/dev/fb/vesa.c index 25a60e5..a039aee 100644 --- a/sys/dev/fb/vesa.c +++ b/sys/dev/fb/vesa.c @@ -536,6 +536,8 @@ vesa_bios_save_restore(int code, void *p, size_t size) return (1); buf = x86bios_alloc(&offs, size, M_NOWAIT); + if (buf == NULL) + return (1); x86bios_init_regs(®s); regs.R_AX = 0x4f04; |