From: Brian King <brking@linux.vnet.ibm.com>
Date: Tue, 30 Jan 2007 17:32:26 +0000 (-0600)
Subject: libata: Initialize nbytes for internal sg commands
X-Git-Tag: v2.6.20~13^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=49c8042996c84f0df6c49ea2e28a7ef38cd7d773;p=platform%2Fkernel%2Flinux-stable.git

libata: Initialize nbytes for internal sg commands

Some LLDDs, like ipr, use nbytes and pad_len to determine
the total data transfer length of a command. Make sure
nbytes gets initialized for internally generated commands.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index cf70702..667acd2 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -1250,6 +1250,7 @@ unsigned ata_exec_internal_sg(struct ata_device *dev,
 
 		ata_sg_init(qc, sg, n_elem);
 		qc->nsect = buflen / ATA_SECT_SIZE;
+		qc->nbytes = buflen;
 	}
 
 	qc->private_data = &wait;