Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1171178

[PATCH 1/2] advansys: Do not byteswap sense_len on big endian

From Geert Uytterhoeven <geert@linux-m68k.org>
Newsgroups linux.kernel
Subject [PATCH 1/2] advansys: Do not byteswap sense_len on big endian
Date 2015-06-24 10:40 +0200
Message-ID <pEOnT-4zK-9@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

Show all headers | View raw


On big endian (e.g. m68k):

    drivers/scsi/advansys.c: In function ‘adv_build_req’:
    drivers/scsi/advansys.c:7806: warning: large integer implicitly truncated to unsigned type

Indeed, adv_scsi_req_q.sense_len is uchar, not __le32, and must never be
byteswapped.

Fixes: 811ddc057aac7228 ("advansys: use DMA-API for mapping sense buffer")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 drivers/scsi/advansys.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index 4305178e4e0147ba..1c1cd657c380c2e0 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -7803,7 +7803,7 @@ adv_build_req(struct asc_board *boardp, struct scsi_cmnd *scp,
 		return ASC_BUSY;
 	}
 	scsiqp->sense_addr = cpu_to_le32(sense_addr);
-	scsiqp->sense_len = cpu_to_le32(SCSI_SENSE_BUFFERSIZE);
+	scsiqp->sense_len = SCSI_SENSE_BUFFERSIZE;
 
 	/* Build ADV_SCSI_REQ_Q */
 
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | NextNext in thread | Find similar | Unroll thread


Thread

[PATCH 1/2] advansys: Do not byteswap sense_len on big endian Geert Uytterhoeven <geert@linux-m68k.org> - 2015-06-24 10:40 +0200
  [PATCH 2/2] advansys: Make sure ret and share_irq are initialized Geert Uytterhoeven <geert@linux-m68k.org> - 2015-06-24 10:40 +0200

csiph-web