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authorAlan Stern <stern@rowland.harvard.edu>2008-07-21 10:25:52 -0400
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-07-26 15:14:56 -0400
commit12265709ac6e197f4d40d9ec1fd3af97b4196a35 (patch)
tree479b48c2082e374b20f1767fef7768b6ea696f84 /drivers/scsi
parentaf55ff675a8461da6a632320710b050af4366e0c (diff)
downloadop-kernel-dev-12265709ac6e197f4d40d9ec1fd3af97b4196a35.zip
op-kernel-dev-12265709ac6e197f4d40d9ec1fd3af97b4196a35.tar.gz
[SCSI] scsi_eh_prep_cmnd should save scmd->underflow
This patch (as1116) fixes a bug in scsi_eh_prep_cmnd() and scsi_eh_restore_cmnd(). These routines are supposed to save any values they change and restore them later, but someone forgot to save & restore scmd->underflow. This fixes part of the problem reported in Bugzilla #9638. [jejb: fix up rejections around DIF/DIX] Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/scsi_error.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index fc4b2d0..171b82d 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -667,6 +667,7 @@ void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, struct scsi_eh_save *ses,
ses->sdb = scmd->sdb;
ses->next_rq = scmd->request->next_rq;
ses->result = scmd->result;
+ ses->underflow = scmd->underflow;
ses->prot_op = scmd->prot_op;
scmd->prot_op = SCSI_PROT_NORMAL;
@@ -727,6 +728,7 @@ void scsi_eh_restore_cmnd(struct scsi_cmnd* scmd, struct scsi_eh_save *ses)
scmd->sdb = ses->sdb;
scmd->request->next_rq = ses->next_rq;
scmd->result = ses->result;
+ scmd->underflow = ses->underflow;
scmd->prot_op = ses->prot_op;
}
EXPORT_SYMBOL(scsi_eh_restore_cmnd);
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