On Wed, Mar 29, 2017 at 04:33:55PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> Rather than assign the positive errno values to ret and then
> checking if it is positive and flip the sign, just return the
> errno value.
>
> Detected by CoverityScan, CID#986649 ("Logically Dead Code")
>
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
Acked-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
> ---
> net/vmw_vsock/vmci_transport.c | 22 +++++++---------------
> 1 file changed, 7 insertions(+), 15 deletions(-)
>
> diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c
> index 4be4fbbc0b50..10ae7823a19d 100644
> --- a/net/vmw_vsock/vmci_transport.c
> +++ b/net/vmw_vsock/vmci_transport.c
> @@ -96,31 +96,23 @@ static int PROTOCOL_OVERRIDE = -1;
>
> static s32 vmci_transport_error_to_vsock_error(s32 vmci_error)
> {
> - int err;
> -
> switch (vmci_error) {
> case VMCI_ERROR_NO_MEM:
> - err = ENOMEM;
> - break;
> + return -ENOMEM;
> case VMCI_ERROR_DUPLICATE_ENTRY:
> case VMCI_ERROR_ALREADY_EXISTS:
> - err = EADDRINUSE;
> - break;
> + return -EADDRINUSE;
> case VMCI_ERROR_NO_ACCESS:
> - err = EPERM;
> - break;
> + return -EPERM;
> case VMCI_ERROR_NO_RESOURCES:
> - err = ENOBUFS;
> - break;
> + return -ENOBUFS;
> case VMCI_ERROR_INVALID_RESOURCE:
> - err = EHOSTUNREACH;
> - break;
> + return -EHOSTUNREACH;
> case VMCI_ERROR_INVALID_ARGS:
> default:
> - err = EINVAL;
> + break;
> }
> -
> - return err > 0 ? -err : err;
> + return -EINVAL;
> }
>
> static u32 vmci_transport_peer_rid(u32 peer_cid)
> --
> 2.11.0
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