svn commit: r240875 - stable/7/sys/dev/mfi

[Sean Bruno]

Author: sbruno
Date: Sun Sep 23 20:24:24 2012
New Revision: 240875
URL: http://svn.freebsd.org/changeset/base/240875

Log:
  MFC r238371
  
  When an MFI command fails, the driver needs to set bio->bio_resid so that
  the upper levels notice.  Otherwise we see commands silently failing leading
  to data corruption.  This mirrors dadone()
  
  Submitted by: Andrew Boyer aboyer at averesystems.com

Modified:
  stable/7/sys/dev/mfi/mfi_disk.c
Directory Properties:
  stable/7/sys/   (props changed)

Modified: stable/7/sys/dev/mfi/mfi_disk.c
==============================================================================
--- stable/7/sys/dev/mfi/mfi_disk.c	Sun Sep 23 20:24:17 2012	(r240874)
+++ stable/7/sys/dev/mfi/mfi_disk.c	Sun Sep 23 20:24:24 2012	(r240875)
@@ -291,6 +291,7 @@ mfi_disk_complete(struct bio *bio)
 	hdr = bio->bio_driver1;
 
 	if (bio->bio_flags & BIO_ERROR) {
+		bio->bio_resid = bio->bio_bcount;
 		if (bio->bio_error == 0)
 			bio->bio_error = EIO;
 		disk_err(bio, "hard error", -1, 1);