From: Jason Wang Date: Thu, 23 Jul 2020 09:12:53 +0000 (+0800) Subject: vdpa: ifcvf: return err when fail to request config irq X-Git-Tag: v5.8.6~152 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=5bd342db2db7cdd5ffaad8c6ee23c5ee38ca076c;p=thirdparty%2Fkernel%2Fstable.git vdpa: ifcvf: return err when fail to request config irq [ Upstream commit 9f4ce5d72b8e7a1f750598407c99f9e39dfb12fc ] We ignore the err of requesting config interrupt, fix this. Fixes: e7991f376a4d ("ifcvf: implement config interrupt in IFCVF") Cc: Zhu Lingshan Signed-off-by: Jason Wang Link: https://lore.kernel.org/r/20200723091254.20617-1-jasowang@redhat.com Signed-off-by: Michael S. Tsirkin Reviewed-by: Zhu Lingshan Fixes: e7991f376a4d ("ifcvf: implement config interrupt in IFCVF") Cc: Zhu Lingshan <lingshan.zhu@intel.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Tested-by: Maxime Coquelin Signed-off-by: Sasha Levin --- diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c index f5a60c14b9799..ae7110955a44d 100644 --- a/drivers/vdpa/ifcvf/ifcvf_main.c +++ b/drivers/vdpa/ifcvf/ifcvf_main.c @@ -76,6 +76,10 @@ 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",