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* [dpdk-dev] [PATCH v2] vfio: check ioctl return value
@ 2017-10-26 15:19 Jonas Pfefferle
  2017-10-26 15:23 ` Burakov, Anatoly
  0 siblings, 1 reply; 3+ messages in thread
From: Jonas Pfefferle @ 2017-10-26 15:19 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>
---
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

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [dpdk-dev] [PATCH v2] vfio: check ioctl return value
  2017-10-26 15:19 [dpdk-dev] [PATCH v2] vfio: check ioctl return value Jonas Pfefferle
@ 2017-10-26 15:23 ` Burakov, Anatoly
  2017-10-26 21:52   ` Thomas Monjalon
  0 siblings, 1 reply; 3+ messages in thread
From: Burakov, Anatoly @ 2017-10-26 15:23 UTC (permalink / raw)
  To: Jonas Pfefferle, dev

On 26-Oct-17 4:19 PM, Jonas Pfefferle wrote:
> 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;
>   }
> 

Looks fine to me, so

Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>

-- 
Thanks,
Anatoly

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [dpdk-dev] [PATCH v2] vfio: check ioctl return value
  2017-10-26 15:23 ` Burakov, Anatoly
@ 2017-10-26 21:52   ` Thomas Monjalon
  0 siblings, 0 replies; 3+ messages in thread
From: Thomas Monjalon @ 2017-10-26 21:52 UTC (permalink / raw)
  To: Jonas Pfefferle; +Cc: dev, Burakov, Anatoly

26/10/2017 17:23, Burakov, Anatoly:
> On 26-Oct-17 4:19 PM, Jonas Pfefferle wrote:
> > 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>
> 
> Looks fine to me, so
> 
> Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>

Applied, thanks

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2017-10-26 21:52 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2017-10-26 15:19 [dpdk-dev] [PATCH v2] vfio: check ioctl return value Jonas Pfefferle
2017-10-26 15:23 ` Burakov, Anatoly
2017-10-26 21:52   ` Thomas Monjalon

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