From: Stephen M. Cameron Date: Thu, 6 Jan 2011 20:47:53 +0000 (-0600) Subject: [SCSI] hpsa: fixup DMA address before freeing. X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d896f3f3d129f1e2fbb4e3824242bc0dc2fb1a07;p=linux-beck.git [SCSI] hpsa: fixup DMA address before freeing. Some low bits might have been set by the driver, causing a message like this to come out: [ 13.288062] ------------[ cut here ]------------ [ 13.293211] WARNING: at lib/dma-debug.c:803 check_unmap+0x1a1/0x654() [ 13.300387] Hardware name: ProLiant DL180 G6 [ 13.305335] hpsa 0000:06:00.0: DMA-API: device driver tries to free DMA memory it has not allocated [device address=0x000000007f81e001] [size=640 bytes] Signed-off-by: Stephen M. Cameron Signed-off-by: James Bottomley --- diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index e4b5f3cda82e..e2089a3b5061 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -2267,7 +2267,7 @@ static void cmd_special_free(struct ctlr_info *h, struct CommandList *c) pci_free_consistent(h->pdev, sizeof(*c->err_info), c->err_info, (dma_addr_t) temp64.val); pci_free_consistent(h->pdev, sizeof(*c), - c, (dma_addr_t) c->busaddr); + c, (dma_addr_t) (c->busaddr & DIRECT_LOOKUP_MASK)); } #ifdef CONFIG_COMPAT diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h index f5c4c3cc0530..7910c1411156 100644 --- a/drivers/scsi/hpsa_cmd.h +++ b/drivers/scsi/hpsa_cmd.h @@ -265,6 +265,7 @@ struct ErrorInfo { #define DIRECT_LOOKUP_SHIFT 5 #define DIRECT_LOOKUP_BIT 0x10 +#define DIRECT_LOOKUP_MASK (~((1 << DIRECT_LOOKUP_SHIFT) - 1)) #define HPSA_ERROR_BIT 0x02 struct ctlr_info; /* defined in hpsa.h */