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authorKai Makisara <Kai.Makisara@kolumbus.fi>2008-07-11 15:05:25 +0300
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-07-26 15:14:47 -0400
commit626dcb1ee39aa1010c27df31970ff0ecfb287208 (patch)
tree27f12b173e4d0f4bb9138cdb5a56552bb3333d4f
parentf0773b5ff6d6978c01525f0c34db42d5cedb9394 (diff)
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[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>
-rw-r--r--drivers/scsi/st.c3
1 files changed, 2 insertions, 1 deletions
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 @@ st_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos)
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;