All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH] virtio: remove redundant check on error return err
@ 2017-03-07 14:08 ` Colin King
  0 siblings, 0 replies; 5+ messages in thread
From: Colin King @ 2017-03-07 14:08 UTC (permalink / raw)
  To: Michael S . Tsirkin, Jason Wang, virtualization
  Cc: kernel-janitors, linux-kernel

From: Colin Ian King <colin.king@canonical.com>

err has previously been checked for a -ve error return so this
redundant check can be removed.

Detected by CoverityScan, CID#1415271 ("Logically Dead Code")

Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/virtio/virtio_pci_common.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c
index df548a6..ceb4395 100644
--- a/drivers/virtio/virtio_pci_common.c
+++ b/drivers/virtio/virtio_pci_common.c
@@ -173,8 +173,6 @@ static int vp_find_vqs_msix(struct virtio_device *vdev, unsigned nvqs,
 		if (err < 0)
 			return err;
 	}
-	if (err < 0)
-		return err;
 
 	vp_dev->msix_vectors = nvectors;
 	vp_dev->msix_names = kmalloc_array(nvectors,
-- 
2.10.2

^ permalink raw reply related	[flat|nested] 5+ messages in thread

* [PATCH] virtio: remove redundant check on error return err
@ 2017-03-07 14:08 ` Colin King
  0 siblings, 0 replies; 5+ messages in thread
From: Colin King @ 2017-03-07 14:08 UTC (permalink / raw)
  To: Michael S . Tsirkin, Jason Wang, virtualization
  Cc: kernel-janitors, linux-kernel

From: Colin Ian King <colin.king@canonical.com>

err has previously been checked for a -ve error return so this
redundant check can be removed.

Detected by CoverityScan, CID#1415271 ("Logically Dead Code")

Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/virtio/virtio_pci_common.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c
index df548a6..ceb4395 100644
--- a/drivers/virtio/virtio_pci_common.c
+++ b/drivers/virtio/virtio_pci_common.c
@@ -173,8 +173,6 @@ static int vp_find_vqs_msix(struct virtio_device *vdev, unsigned nvqs,
 		if (err < 0)
 			return err;
 	}
-	if (err < 0)
-		return err;
 
 	vp_dev->msix_vectors = nvectors;
 	vp_dev->msix_names = kmalloc_array(nvectors,
-- 
2.10.2


^ permalink raw reply related	[flat|nested] 5+ messages in thread

* Re: [PATCH] virtio: remove redundant check on error return err
  2017-03-07 14:08 ` Colin King
  (?)
@ 2017-03-10  3:36   ` Stefan Hajnoczi
  -1 siblings, 0 replies; 5+ messages in thread
From: Stefan Hajnoczi @ 2017-03-10  3:36 UTC (permalink / raw)
  To: Colin King
  Cc: Michael S . Tsirkin, Jason Wang, Linux Virtualization,
	kernel-janitors, linux-kernel

On Tue, Mar 7, 2017 at 10:08 PM, Colin King <colin.king@canonical.com> wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> err has previously been checked for a -ve error return so this
> redundant check can be removed.
>
> Detected by CoverityScan, CID#1415271 ("Logically Dead Code")
>
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
>  drivers/virtio/virtio_pci_common.c | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c
> index df548a6..ceb4395 100644
> --- a/drivers/virtio/virtio_pci_common.c
> +++ b/drivers/virtio/virtio_pci_common.c
> @@ -173,8 +173,6 @@ static int vp_find_vqs_msix(struct virtio_device *vdev, unsigned nvqs,
>                 if (err < 0)
>                         return err;
>         }
> -       if (err < 0)
> -               return err;
>
>         vp_dev->msix_vectors = nvectors;
>         vp_dev->msix_names = kmalloc_array(nvectors,

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] virtio: remove redundant check on error return err
@ 2017-03-10  3:36   ` Stefan Hajnoczi
  0 siblings, 0 replies; 5+ messages in thread
From: Stefan Hajnoczi @ 2017-03-10  3:36 UTC (permalink / raw)
  To: Colin King
  Cc: Michael S . Tsirkin, Jason Wang, Linux Virtualization,
	kernel-janitors, linux-kernel

On Tue, Mar 7, 2017 at 10:08 PM, Colin King <colin.king@canonical.com> wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> err has previously been checked for a -ve error return so this
> redundant check can be removed.
>
> Detected by CoverityScan, CID#1415271 ("Logically Dead Code")
>
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
>  drivers/virtio/virtio_pci_common.c | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c
> index df548a6..ceb4395 100644
> --- a/drivers/virtio/virtio_pci_common.c
> +++ b/drivers/virtio/virtio_pci_common.c
> @@ -173,8 +173,6 @@ static int vp_find_vqs_msix(struct virtio_device *vdev, unsigned nvqs,
>                 if (err < 0)
>                         return err;
>         }
> -       if (err < 0)
> -               return err;
>
>         vp_dev->msix_vectors = nvectors;
>         vp_dev->msix_names = kmalloc_array(nvectors,

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] virtio: remove redundant check on error return err
@ 2017-03-10  3:36   ` Stefan Hajnoczi
  0 siblings, 0 replies; 5+ messages in thread
From: Stefan Hajnoczi @ 2017-03-10  3:36 UTC (permalink / raw)
  To: Colin King
  Cc: Linux Virtualization, kernel-janitors, linux-kernel, Michael S . Tsirkin

On Tue, Mar 7, 2017 at 10:08 PM, Colin King <colin.king@canonical.com> wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> err has previously been checked for a -ve error return so this
> redundant check can be removed.
>
> Detected by CoverityScan, CID#1415271 ("Logically Dead Code")
>
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
>  drivers/virtio/virtio_pci_common.c | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c
> index df548a6..ceb4395 100644
> --- a/drivers/virtio/virtio_pci_common.c
> +++ b/drivers/virtio/virtio_pci_common.c
> @@ -173,8 +173,6 @@ static int vp_find_vqs_msix(struct virtio_device *vdev, unsigned nvqs,
>                 if (err < 0)
>                         return err;
>         }
> -       if (err < 0)
> -               return err;
>
>         vp_dev->msix_vectors = nvectors;
>         vp_dev->msix_names = kmalloc_array(nvectors,

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2017-03-10  3:37 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-03-07 14:08 [PATCH] virtio: remove redundant check on error return err Colin King
2017-03-07 14:08 ` Colin King
2017-03-10  3:36 ` Stefan Hajnoczi
2017-03-10  3:36   ` Stefan Hajnoczi
2017-03-10  3:36   ` Stefan Hajnoczi

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.