From 347e40ffe61b7cc8d4565be476c20acd00611669 Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Fri, 31 Aug 2012 14:34:19 +0200 Subject: uas: move transfer kickoff Kick next scsi transfer from request release callback instead of command completion callback, otherwise we might get stuck in case scsi_req_unref() doesn't release the request instantly due to someone else holding a reference too. Signed-off-by: Gerd Hoffmann --- hw/usb/dev-uas.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'hw/usb') diff --git a/hw/usb/dev-uas.c b/hw/usb/dev-uas.c index b13eeba565..5a0057a36b 100644 --- a/hw/usb/dev-uas.c +++ b/hw/usb/dev-uas.c @@ -424,6 +424,7 @@ static void usb_uas_scsi_free_request(SCSIBus *bus, void *priv) } QTAILQ_REMOVE(&uas->requests, req, next); g_free(req); + usb_uas_start_next_transfer(uas); } static UASRequest *usb_uas_find_request(UASDevice *uas, uint16_t tag) @@ -456,7 +457,6 @@ static void usb_uas_scsi_command_complete(SCSIRequest *r, uint32_t status, size_t resid) { UASRequest *req = r->hba_private; - UASDevice *uas = req->uas; trace_usb_uas_scsi_complete(req->uas->dev.addr, req->tag, status, resid); req->complete = true; @@ -465,7 +465,6 @@ static void usb_uas_scsi_command_complete(SCSIRequest *r, } usb_uas_queue_sense(req, status); scsi_req_unref(req->req); - usb_uas_start_next_transfer(uas); } static void usb_uas_scsi_request_cancelled(SCSIRequest *r) -- cgit v1.2.1