From 582539e5a0480f1e00e3b9ffbe50bd5b2f59a16f Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Wed, 6 Feb 2008 01:36:54 -0800 Subject: [PATCH] cciss: use upper_32_bits() macro to eliminate warnings Use upper_32_bits(x) macro to handle shifts that may be >= the width of the data type. drivers/block/cciss.c: In function 'do_cciss_request': drivers/block/cciss.c:2655: warning: right shift count >= width of type drivers/block/cciss.c:2656: warning: right shift count >= width of type drivers/block/cciss.c:2657: warning: right shift count >= width of type drivers/block/cciss.c:2658: warning: right shift count >= width of type Signed-off-by: Randy Dunlap Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/cciss.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 855ce8e5ef..9715be3f24 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -2630,12 +2630,14 @@ static void do_cciss_request(struct request_queue *q) c->Request.CDB[8] = creq->nr_sectors & 0xff; c->Request.CDB[9] = c->Request.CDB[11] = c->Request.CDB[12] = 0; } else { + u32 upper32 = upper_32_bits(start_blk); + c->Request.CDBLen = 16; c->Request.CDB[1]= 0; - c->Request.CDB[2]= (start_blk >> 56) & 0xff; //MSB - c->Request.CDB[3]= (start_blk >> 48) & 0xff; - c->Request.CDB[4]= (start_blk >> 40) & 0xff; - c->Request.CDB[5]= (start_blk >> 32) & 0xff; + c->Request.CDB[2]= (upper32 >> 24) & 0xff; //MSB + c->Request.CDB[3]= (upper32 >> 16) & 0xff; + c->Request.CDB[4]= (upper32 >> 8) & 0xff; + c->Request.CDB[5]= upper32 & 0xff; c->Request.CDB[6]= (start_blk >> 24) & 0xff; c->Request.CDB[7]= (start_blk >> 16) & 0xff; c->Request.CDB[8]= (start_blk >> 8) & 0xff; -- 2.39.5