* [RESEND][PATCH] usb: uas: set host status byte on data completion error [not found] <87msnx4ec6.fsf.ref@yahoo.com> @ 2024-06-07 3:32 ` Shantanu Goel 2024-06-07 5:58 ` Oliver Neukum 0 siblings, 1 reply; 2+ messages in thread From: Shantanu Goel @ 2024-06-07 3:32 UTC (permalink / raw) To: Oliver Neukum; +Cc: linux-usb Set the host status byte when a data completion error is encountered otherwise the upper layer may end up using the invalid zero'ed data. The following output was observed from scsi/sd.c prior to this fix. [ 11.872824] sd 0:0:0:1: [sdf] tag#9 data cmplt err -75 uas-tag 1 inflight: [ 11.872826] sd 0:0:0:1: [sdf] tag#9 CDB: Read capacity(16) 9e 10 00 00 00 00 00 00 00 00 00 00 00 20 00 00 [ 11.872830] sd 0:0:0:1: [sdf] Sector size 0 reported, assuming 512. Signed-off-by: Shantanu Goel <sgoel01@yahoo.com> --- drivers/usb/storage/uas.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index 451d9569163a..f794cb39cc31 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -422,6 +422,7 @@ static void uas_data_cmplt(struct urb *urb) uas_log_cmd_state(cmnd, "data cmplt err", status); /* error: no data transfered */ scsi_set_resid(cmnd, sdb->length); + set_host_byte(cmnd, DID_ERROR); } else { scsi_set_resid(cmnd, sdb->length - urb->actual_length); } -- 2.43.0 ^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [RESEND][PATCH] usb: uas: set host status byte on data completion error 2024-06-07 3:32 ` [RESEND][PATCH] usb: uas: set host status byte on data completion error Shantanu Goel @ 2024-06-07 5:58 ` Oliver Neukum 0 siblings, 0 replies; 2+ messages in thread From: Oliver Neukum @ 2024-06-07 5:58 UTC (permalink / raw) To: Shantanu Goel, Oliver Neukum Cc: linux-usb@vger.kernel.org, linux-scsi@vger.kernel.org On 07.06.24 05:32, Shantanu Goel wrote: > Set the host status byte when a data completion error is encountered > otherwise the upper layer may end up using the invalid zero'ed data. > The following output was observed from scsi/sd.c prior to this fix. > > [ 11.872824] sd 0:0:0:1: [sdf] tag#9 data cmplt err -75 uas-tag 1 inflight: > [ 11.872826] sd 0:0:0:1: [sdf] tag#9 CDB: Read capacity(16) 9e 10 00 00 00 00 00 00 00 00 00 00 00 20 00 00 > [ 11.872830] sd 0:0:0:1: [sdf] Sector size 0 reported, assuming 512. > > Signed-off-by: Shantanu Goel <sgoel01@yahoo.com> Acked-by: Oliver Neukum <oneukum@suse.com> ^ permalink raw reply [flat|nested] 2+ messages in thread
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2024-06-07 3:32 ` [RESEND][PATCH] usb: uas: set host status byte on data completion error Shantanu Goel
2024-06-07 5:58 ` Oliver Neukum
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