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vdpa: ifcvf: return err when fail to request config irq 

We ignore the err of requesting config interrupt, fix this.

Fixes: e7991f376a ("ifcvf: implement config interrupt in IFCVF")
Cc: Zhu Lingshan <lingshan.zhu@intel.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20200723091254.20617-1-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Zhu Lingshan <lingshan.zhu@intel.com>
Fixes: e7991f376a ("ifcvf: implement config interrupt in IFCVF")
Cc: Zhu Lingshan <a class="moz-txt-link-rfc2396E" href="mailto:lingshan.zhu@intel.com">&lt;lingshan.zhu@intel.com&gt;</a>
Signed-off-by: Jason Wang <a class="moz-txt-link-rfc2396E" href="mailto:jasowang@redhat.com">&lt;jasowang@redhat.com&gt;</a>
Tested-by: Maxime Coquelin <maxime.coquelin@redhat.com>
This commit is contained in:
Jason Wang 2020-07-23 17:12:53 +08:00 committed by Michael S. Tsirkin
parent d012a7190f
commit 9f4ce5d72b
1 changed files with 4 additions and 0 deletions
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4
drivers/vdpa/ifcvf/ifcvf_main.c
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@ -78,6 +78,10 @@ static int ifcvf_request_irq(struct ifcvf_adapter *adapter)
ret = devm_request_irq(&pdev->dev, irq,
ifcvf_config_changed, 0,
vf->config_msix_name, vf);
if (ret) {
IFCVF_ERR(pdev, "Failed to request config irq\n");
return ret;
}
for (i = 0; i < IFCVF_MAX_QUEUE_PAIRS * 2; i++) {
snprintf(vf->vring[i].msix_name, 256, "ifcvf[%s]-%d\n",