* [dpdk-dev] [PATCH] vfio: check ioctl return value
@ 2017-10-26 15:13 Jonas Pfefferle
0 siblings, 0 replies; only message in thread
From: Jonas Pfefferle @ 2017-10-26 15:13 UTC (permalink / raw)
To: dev; +Cc: anatoly.burakov, Jonas Pfefferle
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>
---
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..d5f6637 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
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