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Thu, 23 Jul 2026 12:57:08 -0700 (PDT) Received: from capidev.localdomain ([177.245.227.234]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-7ee2a03c856sm4215297a34.13.2026.07.23.12.57.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Jul 2026 12:57:07 -0700 (PDT) From: Diego Fernando Mancera Gomez To: Oliver Neukum Cc: Greg Kroah-Hartman , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Diego Fernando Mancera Gomez Subject: [PATCH] usb: image: microtek: stop SG processing after transfer errors Date: Thu, 23 Jul 2026 13:56:54 -0600 Message-ID: <20260723195654.152104-1-diegomancera.dev@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" When an SG URB completes with an error, mts_do_sg() calls mts_transfer_cleanup(), which completes the SCSI command through scsi_done(). However, the callback continues advancing the scatterlist and may submit another URB for a command that has already been completed. Return immediately after the cleanup so that no further processing is performed on the completed command. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Diego Fernando Mancera Gomez --- drivers/usb/image/microtek.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/image/microtek.c b/drivers/usb/image/microtek.c index 1f0b3c44d388..787cf5aba55d 100644 --- a/drivers/usb/image/microtek.c +++ b/drivers/usb/image/microtek.c @@ -475,6 +475,7 @@ static void mts_do_sg (struct urb* transfer) if (unlikely(status)) { set_host_byte(context->srb, (status =3D=3D -ENOENT ? DID_A= BORT : DID_ERROR)); mts_transfer_cleanup(transfer); + return; } =20 context->curr_sg =3D sg_next(context->curr_sg); --=20 2.43.0