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[PATCH] drivers/pnp/pnpbios/rsparser.c: fix an array overflow

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This patch fixes an array overflow found by the Coverity checker.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Adrian Bunk 2005-05-01 08:59:29 -07:00 committed by Linus Torvalds
parent 408b664a7d
commit 6e3e98d1dc
1 changed files with 3 additions and 1 deletions
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4
drivers/pnp/pnpbios/rsparser.c
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@ -72,7 +72,9 @@ static void
pnpbios_parse_allocated_dmaresource(struct pnp_resource_table * res, int dma) pnpbios_parse_allocated_dmaresource(struct pnp_resource_table * res, int dma)
{ {
int i = 0; int i = 0;
while (!(res->dma_resource[i].flags & IORESOURCE_UNSET) && i < PNP_MAX_DMA) i++; while (i < PNP_MAX_DMA &&
!(res->dma_resource[i].flags & IORESOURCE_UNSET))
i++;
if (i < PNP_MAX_DMA) { if (i < PNP_MAX_DMA) {
res->dma_resource[i].flags = IORESOURCE_DMA; // Also clears _UNSET flag res->dma_resource[i].flags = IORESOURCE_DMA; // Also clears _UNSET flag
if (dma == -1) { if (dma == -1) {