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From: Jonas Pfefferle <jpf@zurich.ibm.com>
To: dev@dpdk.org
Cc: anatoly.burakov@intel.com, Jonas Pfefferle <jpf@zurich.ibm.com>
Subject: [dpdk-dev] [PATCH v2] vfio: check ioctl return value
Date: Thu, 26 Oct 2017 17:19:49 +0200	[thread overview]
Message-ID: <1509031189-22601-1-git-send-email-jpf@zurich.ibm.com> (raw)

Check return value of device reset ioctl

Fixes: 33604c31354a ("vfio: refactor PCI BAR mapping")
Coverity issue: 195003

Signed-off-by: Jonas Pfefferle <jpf@zurich.ibm.com>
---
v2:
* fix whitespace/tab issue

 lib/librte_eal/linuxapp/eal/eal_pci_vfio.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c b/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c
index d407c87..f11f683 100644
--- a/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c
+++ b/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c
@@ -333,7 +333,11 @@ pci_vfio_setup_device(struct rte_pci_device *dev, int vfio_dev_fd)
 	}
 
 	/* Reset the device */
-	ioctl(vfio_dev_fd, VFIO_DEVICE_RESET);
+	if (ioctl(vfio_dev_fd, VFIO_DEVICE_RESET)) {
+		RTE_LOG(ERR, EAL, "Unable to reset device! Error: %d (%s)\n",
+				errno, strerror(errno));
+		return -1;
+	}
 
 	return 0;
 }
-- 
2.7.4

             reply	other threads:[~2017-10-26 15:19 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-26 15:19 Jonas Pfefferle [this message]
2017-10-26 15:23 ` Burakov, Anatoly
2017-10-26 21:52   ` Thomas Monjalon

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