From 46c43db1eabcdc46ad9a3d711edff1d698ecd21f Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Sun, 8 Oct 2006 15:55:55 +0400 Subject: [SCSI] scsi_lib.c: use BUILD_BUG_ON Signed-off-by: Alexey Dobriyan Signed-off-by: James Bottomley --- drivers/scsi/scsi_lib.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/scsi/scsi_lib.c') diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 743f67ed764..d2c02df12fd 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1084,7 +1084,7 @@ static void scsi_setup_blk_pc_cmnd(struct scsi_cmnd *cmd) { struct request *req = cmd->request; - BUG_ON(sizeof(req->cmd) > sizeof(cmd->cmnd)); + BUILD_BUG_ON(sizeof(req->cmd) > sizeof(cmd->cmnd)); memcpy(cmd->cmnd, req->cmd, sizeof(cmd->cmnd)); cmd->cmd_len = req->cmd_len; if (!req->data_len) -- cgit v1.2.3 From 097b8457dafe7efc22201b4062e2d1e82e494067 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Thu, 16 Nov 2006 01:19:31 -0800 Subject: [PATCH] scsi: clear garbage after CDBs on SG_IO ATAPI devices transfer fixed number of bytes for CDBs (12 or 16). Some ATAPI devices choke when shorter CDB is used and the left bytes contain garbage. Block SG_IO cleared left bytes but SCSI SG_IO didn't. This patch makes SCSI SG_IO clear it and simplify CDB clearing in block SG_IO. Signed-off-by: Tejun Heo Cc: Mathieu Fluhr Cc: James Bottomley Cc: Douglas Gilbert Acked-by: Jens Axboe Cc: Acked-by: Jeff Garzik Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/scsi/scsi_lib.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/scsi/scsi_lib.c') diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index d2c02df12fd..3ac4890ce08 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -410,6 +410,7 @@ int scsi_execute_async(struct scsi_device *sdev, const unsigned char *cmd, goto free_req; req->cmd_len = cmd_len; + memset(req->cmd, 0, BLK_MAX_CDB); /* ATAPI hates garbage after CDB */ memcpy(req->cmd, cmd, req->cmd_len); req->sense = sioc->sense; req->sense_len = 0; -- cgit v1.2.3