[libvirt] [PATCH 6/7] storage_backend: Resolve Coverity issue

[Daniel P. Berrange]

On Thu, Jul 11, 2013 at 08:34:06AM -0400, John Ferlan wrote:
> The switch statement in 'virStorageBackendCreateQemuImgOpts' used the
> for loop end condition 'VIR_STORAGE_FILE_FEATURE_LAST' as a possible value,
> but since that cannot happen Coverity spits out a DEADCODE message. Adding
> the Coverity tag just removes the Coverity message
> ---
>  src/storage/storage_backend.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/src/storage/storage_backend.c b/src/storage/storage_backend.c
> index 5d06eb6..8d5880e 100644
> --- a/src/storage/storage_backend.c
> +++ b/src/storage/storage_backend.c
> @@ -663,6 +663,7 @@ virStorageBackendCreateQemuImgOpts(char **opts,
>                      }
>                      break;
>  
> +                /* coverity[dead_error_begin] */
>                  case VIR_STORAGE_FILE_FEATURE_LAST:
>                      ;
>                  }

Wow, I tend to think that this code is terribly over engineered. We
really don't need to have a for loop with a nested case. The entire
thing can be replaced with something much simpler.


Daniel
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