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[Qemu-devel] [PATCH 050/108] virtio-scsi: Plug memory leak on virtio_scs


From: Michael Roth
Subject: [Qemu-devel] [PATCH 050/108] virtio-scsi: Plug memory leak on virtio_scsi_push_event() error path
Date: Wed, 6 Aug 2014 15:39:00 -0500

From: Markus Armbruster <address@hidden>

Spotted by Coverity.

Signed-off-by: Markus Armbruster <address@hidden>
Cc: address@hidden
Signed-off-by: Paolo Bonzini <address@hidden>
(cherry picked from commit 91e7fcca4743cf694eb0c8e7a8d938cf359b5bd8)
Signed-off-by: Michael Roth <address@hidden>
---
 hw/scsi/virtio-scsi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
index 1752193..14261fb 100644
--- a/hw/scsi/virtio-scsi.c
+++ b/hw/scsi/virtio-scsi.c
@@ -498,7 +498,7 @@ static void virtio_scsi_push_event(VirtIOSCSI *s, 
SCSIDevice *dev,
                                    uint32_t event, uint32_t reason)
 {
     VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(s);
-    VirtIOSCSIReq *req = virtio_scsi_pop_req(s, vs->event_vq);
+    VirtIOSCSIReq *req;
     VirtIOSCSIEvent *evt;
     VirtIODevice *vdev = VIRTIO_DEVICE(s);
     int in_size;
@@ -507,6 +507,7 @@ static void virtio_scsi_push_event(VirtIOSCSI *s, 
SCSIDevice *dev,
         return;
     }
 
+    req = virtio_scsi_pop_req(s, vs->event_vq);
     if (!req) {
         s->events_dropped = true;
         return;
-- 
1.9.1




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