Move buffer pointer back when data could not be written. Bug found by Mike Christie.
Signed-off-by: Kai Makisara <kai.makisara@xxxxxxxxxxx>
---
The patch is against 2.6.26-rc1.
drivers/scsi/st.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
Index: linux-2.6.26-rc1-q/drivers/scsi/st.c
===================================================================
--- linux-2.6.26-rc1-q.orig/drivers/scsi/st.c
+++ linux-2.6.26-rc1-q/drivers/scsi/st.c
@@ -17,7 +17,7 @@
Last modified: 18-JAN-1998 Richard Gooch <rgooch@xxxxxxxxxxxxx> Devfs support
*/
-static const char *verstr = "20080224";
+static const char *verstr = "20080504";
#include <linux/module.h>
@@ -1663,6 +1663,7 @@ st_write(struct file *filp, const char _
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;
--
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