commit 626dcb1ee39aa1010c27df31970ff0ecfb287208
author Kai Makisara <Kai.Makisara@kolumbus.fi> Fri Jul 11 15:05:25 2008 +0300
committer James Bottomley <James.Bottomley@HansenPartnership.com> Sat Jul 26 15:14:47 2008 -0400
tree 27f12b173e4d0f4bb9138cdb5a56552bb3333d4f
parent f0773b5ff6d6978c01525f0c34db42d5cedb9394

[SCSI] st: Move buffer pointer back when data could not be written.

Move buffer pointer back when data could not be written. Bug found by
Mike Christie.

Signed-off-by: Kai Mäkisara <Kai.Makisara@kolumbus.fi>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

drivers/scsi/st.c

diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 4684cc7..41b1f81 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -17,7 +17,7 @@
    Last modified: 18-JAN-1998 Richard Gooch <rgooch@atnf.csiro.au> Devfs support
  */
 
-static const char *verstr = "20080224";
+static const char *verstr = "20080504";
 
 #include <linux/module.h>
 
@@ -1670,6 +1670,7 @@
 				if (undone <= do_count) {
 					/* Only data from this write is not written */
 					count += undone;
+					b_point -= undone;
 					do_count -= undone;
 					if (STp->block_size)
 						blks = (transfer - undone) / STp->block_size;