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authorFam Zheng <famz@redhat.com>2014-09-24 16:27:53 +0800
committerPaolo Bonzini <pbonzini@redhat.com>2014-09-30 13:30:51 +0200
commit6c25fa6cf8b58db72956e880d76e4adc301bb472 (patch)
tree31c3fb1347d94cc55339df20a80b59795adc2be8
parenteda470e41a753070e057380a9a71e2ad7347f667 (diff)
scsi-generic: Handle canceled request in scsi_command_complete
Now that we always called the cb in bdrv_aio_cancel, let's make scsi-generic callbacks check io_canceled flag similarly to scsi-disk. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--hw/scsi/scsi-generic.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/hw/scsi/scsi-generic.c b/hw/scsi/scsi-generic.c
index 20587b41c1..2a73a43d1d 100644
--- a/hw/scsi/scsi-generic.c
+++ b/hw/scsi/scsi-generic.c
@@ -93,6 +93,9 @@ static void scsi_command_complete(void *opaque, int ret)
SCSIGenericReq *r = (SCSIGenericReq *)opaque;
r->req.aiocb = NULL;
+ if (r->req.io_canceled) {
+ goto done;
+ }
if (r->io_header.driver_status & SG_ERR_DRIVER_SENSE) {
r->req.sense_len = r->io_header.sb_len_wr;
}
@@ -133,6 +136,7 @@ static void scsi_command_complete(void *opaque, int ret)
r, r->req.tag, status);
scsi_req_complete(&r->req, status);
+done:
if (!r->req.io_canceled) {
scsi_req_unref(&r->req);
}
@@ -186,8 +190,7 @@ static void scsi_read_complete(void * opaque, int ret)
int len;
r->req.aiocb = NULL;
- if (ret) {
- DPRINTF("IO error ret %d\n", ret);
+ if (ret || r->req.io_canceled) {
scsi_command_complete(r, ret);
return;
}
@@ -246,8 +249,7 @@ static void scsi_write_complete(void * opaque, int ret)
DPRINTF("scsi_write_complete() ret = %d\n", ret);
r->req.aiocb = NULL;
- if (ret) {
- DPRINTF("IO error\n");
+ if (ret || r->req.io_canceled) {
scsi_command_complete(r, ret);
return;
}