ide: filter out invalid transfer mode values in set_xfer_rate()
Filter out invalid transfer mode values (0x02-0x07) in write handler
for obsoleted /proc/ide/hd?/settings:current_speed setting.
While at it:
* Use XFER_UDMA_6 define.
Suggested-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c
index 8af88bf..54d57a1 100644
--- a/drivers/ide/ide-proc.c
+++ b/drivers/ide/ide-proc.c
@@ -345,7 +345,7 @@
ide_task_t task;
int err;
- if (arg < 0 || arg > 70)
+ if (arg < 0 || (arg > 1 && arg < XFER_PIO_0) || arg > XFER_UDMA_6)
return -EINVAL;
memset(&task, 0, sizeof(task));