Re: [PATCH] hpsa: use check_signature

From: Mike Miller
Date: Tue Apr 03 2012 - 11:45:45 EST


On 04/03/2012 12:38 AM, Akinobu Mita wrote:
Use check_signature to find a signature in the mmio address.

Signed-off-by: Akinobu Mita<akinobu.mita@xxxxxxxxx>
Cc: Mike Miller<mike.miller@xxxxxx>
Cc: iss_storagedev@xxxxxx
Cc: "James E.J. Bottomley"<JBottomley@xxxxxxxxxxxxx>
Cc: linux-scsi@xxxxxxxxxxxxxxx

Acked-by: Mike Miller <mike.miller@xxxxxx>

---
drivers/scsi/hpsa.c | 5 +----
1 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index ddbf5fe..c867eeb 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -3839,10 +3839,7 @@ static void __devinit hpsa_find_board_params(struct ctlr_info *h)

static inline bool hpsa_CISS_signature_present(struct ctlr_info *h)
{
- if ((readb(&h->cfgtable->Signature[0]) != 'C') ||
- (readb(&h->cfgtable->Signature[1]) != 'I') ||
- (readb(&h->cfgtable->Signature[2]) != 'S') ||
- (readb(&h->cfgtable->Signature[3]) != 'S')) {
+ if (!check_signature(h->cfgtable->Signature, "CISS", 4)) {
dev_warn(&h->pdev->dev, "not a valid CISS config table\n");
return false;
}

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