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[SCSI] hpsa: use check_signature

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Use check_signature to find a signature in the mmio address.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Akinobu Mita
2012-04-04 22:14:59 +09:00
committed by James Bottomley
parent 7155250574
commit 0fc9fd4016
2 changed files with 2 additions and 4 deletions
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5
drivers/scsi/hpsa.c
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@@ -3842,10 +3842,7 @@ 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;
}