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Fix a possible null pointer dereference. A patch for -STABLE was

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Submitted by:	Yamagi Burmeister (lists at yamagi dot org)
This commit is contained in:
Jung-uk Kim 2010-07-06 18:05:05 +00:00
parent f59646c2af
commit c3cbd4125e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=209737
1 changed files with 2 additions and 0 deletions
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2
sys/dev/fb/vesa.c
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@ -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(&regs);
regs.R_AX = 0x4f04;