[2.6 patch] drivers/pnp/pnpbios/rsparser.c: fix an array overflow
From: Adrian Bunk (bunk_at_stusta.de)
Date: 03/27/05
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Date: Sun, 27 Mar 2005 22:30:08 +0200 To: ambx1@neo.rr.com
This patch fixes an array overflow found by the Coverity checker.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
--- linux-2.6.12-rc1-mm1-full/drivers/pnp/pnpbios/rsparser.c.old 2005-03-23 03:04:17.000000000 +0100
+++ linux-2.6.12-rc1-mm1-full/drivers/pnp/pnpbios/rsparser.c 2005-03-23 03:05:21.000000000 +0100
@@ -72,7 +72,9 @@
pnpbios_parse_allocated_dmaresource(struct pnp_resource_table * res, int dma)
{
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) {
res->dma_resource[i].flags = IORESOURCE_DMA; // Also clears _UNSET flag
if (dma == -1) {
-
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