ChangeSet 1.1843.4.11, 2004/08/24 11:43:00-07:00, [EMAIL PROTECTED]
[PATCH] USB Storage: help vendors count to 1...
It turns out that the Konica-Minolta DiMAGE A2 camera, in addition to all
its other problems, returns a 0-length reply to the GetMaxLUN request.
With this patch (accept a null reply as meaning a single LUN) it is
somewhat useable.
It's amazing to me that vendors have this much trouble counting to 1....
Signed-off-by: Alan Stern <[EMAIL PROTECTED]>
Signed-off-by: Matthew Dharm <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
drivers/usb/storage/transport.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletion(-)
diff -Nru a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c
--- a/drivers/usb/storage/transport.c 2004-08-26 16:42:51 -07:00
+++ b/drivers/usb/storage/transport.c 2004-08-26 16:42:51 -07:00
@@ -911,6 +911,7 @@
int result;
/* issue the command */
+ us->iobuf[0] = 0;
result = usb_stor_control_msg(us, us->recv_ctrl_pipe,
US_BULK_GET_MAX_LUN,
USB_DIR_IN | USB_TYPE_CLASS |
@@ -921,7 +922,7 @@
result, us->iobuf[0]);
/* if we have a successful request, return the result */
- if (result == 1)
+ if (result >= 0)
return us->iobuf[0];
/*
-------------------------------------------------------
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