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drm/nouveau/bios: check for null script pointers in parser

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Allows us to be lazy elsewhere...

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-08-04 13:57:33 +10:00
parent 5024c54b5c
commit a8e415d3eb
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/nouveau/nouveau_bios.c
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@ -3771,6 +3771,10 @@ parse_init_table(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
int count = 0, i, ret;
uint8_t id;
/* catch NULL script pointers */
if (offset == 0)
return 0;
/*
* Loop until INIT_DONE causes us to break out of the loop
* (or until offset > bios length just in case... )