Use check_signature to find a signature in the mmio address. Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx> Acked-by: Mike Miller <mike.miller@xxxxxx> Cc: Mike Miller <mike.miller@xxxxxx> Cc: "Stephen M. Cameron" <scameron@xxxxxxxxxxxxxxxxxx> Cc: iss_storagedev@xxxxxx Cc: "James E.J. Bottomley" <JBottomley@xxxxxxxxxxxxx> Cc: linux-scsi@xxxxxxxxxxxxxxx --- v2: select CHECK_SIGNATURE in Kconfig drivers/scsi/Kconfig | 1 + drivers/scsi/hpsa.c | 5 +---- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 29684c8..bea04e5 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -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 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; } -- 1.7.4.4 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html