Messages in this thread Patch in this message | | | From | Akinobu Mita <> | Subject | [PATCH] cciss: use check_signature | Date | Tue, 3 Apr 2012 14:38:52 +0900 |
| |
Use check_signature to find a signature in the mmio address.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Mike Miller <mike.miller@hp.com> Cc: iss_storagedev@hp.com --- drivers/block/cciss.c | 7 ++----- 1 files changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index bda6d12..e04c63e 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -42,8 +42,8 @@ #include <linux/compat.h> #include <linux/mutex.h> #include <linux/bitmap.h> +#include <linux/io.h> #include <asm/uaccess.h> -#include <asm/io.h> #include <linux/dma-mapping.h> #include <linux/blkdev.h> @@ -4267,10 +4267,7 @@ static void __devinit cciss_find_board_params(ctlr_info_t *h) static inline bool CISS_signature_present(ctlr_info_t *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
| |