* [PATCH] ide-iops: fix odd-length ATAPI PIO transfers
@ 2009-03-05 14:36 Sergei Shtylyov
2009-03-05 15:03 ` Bartlomiej Zolnierkiewicz
0 siblings, 1 reply; 2+ messages in thread
From: Sergei Shtylyov @ 2009-03-05 14:36 UTC (permalink / raw)
To: bzolnier; +Cc: linux-ide, stable
Commit 9567b349f7e7dd7e2483db99ee8e4a6fe0caca38 (ide: merge ->atapi_*put_bytes
and ->ata_*put_data methods) introduced a regression WRT the odd-length ATAPI
PIO transfers -- the final word didn't get written (causing command timeouts).
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
---
This patch is against the recent Linus' tree...
drivers/ide/ide-iops.c | 2 ++
1 files changed, 2 insertions(+)
Index: linux-2.6/drivers/ide/ide-iops.c
===================================================================
--- linux-2.6.orig/drivers/ide/ide-iops.c
+++ linux-2.6/drivers/ide/ide-iops.c
@@ -315,6 +315,8 @@ void ide_output_data(ide_drive_t *drive,
u8 io_32bit = drive->io_32bit;
u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
+ len++;
+
if (io_32bit) {
unsigned long uninitialized_var(flags);
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2009-03-05 14:36 [PATCH] ide-iops: fix odd-length ATAPI PIO transfers Sergei Shtylyov
2009-03-05 15:03 ` Bartlomiej Zolnierkiewicz
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