Commit 0fc9fd40 authored by Akinobu Mita's avatar Akinobu Mita Committed by James Bottomley
Browse files

[SCSI] hpsa: use check_signature 



Use check_signature to find a signature in the mmio address.

Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Acked-by: default avatarMike Miller <mike.miller@hp.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 71552505

drivers/scsi/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -408,6 +408,7 @@ config BLK_DEV_3W_XXXX_RAID 
config SCSI_HPSA

	tristate "HP Smart Array SCSI driver"

	depends on PCI && SCSI

	select CHECK_SIGNATURE

	help

	  This driver supports HP Smart Array Controllers (circa 2009).

	  It is a SCSI alternative to the cciss driver, which is a block

drivers/scsi/hpsa.c

+1 −4
Original line number Diff line number Diff line
@@ -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;

	}