[libvirt] [PATCH 1/6] Fix virDiskNameToIndex to actually ignore partition numbers

Martin Kletzander mkletzan at redhat.com
Fri Nov 23 08:13:31 UTC 2012


On 11/22/2012 05:48 PM, Daniel P. Berrange wrote:
> From: "Daniel P. Berrange" <berrange at redhat.com>
> 
> The docs for virDiskNameToIndex claim it ignores partition
> numbers. In actual fact though, a code ordering buy means

s/buy/bug/

> that a partition number will cause the code to accidentally
> multiply the result by 26.
> 
> Signed-off-by: Daniel P. Berrange <berrange at redhat.com>
> ---
>  src/util/util.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/src/util/util.c b/src/util/util.c
> index 75b18c1..2fd0f2c 100644
> --- a/src/util/util.c
> +++ b/src/util/util.c
> @@ -2193,11 +2193,10 @@ int virDiskNameToIndex(const char *name) {
>          return -1;
>  
>      for (i = 0; *ptr; i++) {
> -        idx = (idx + (i < 1 ? 0 : 1)) * 26;
> -
>          if (!c_islower(*ptr))
>              break;
>  
> +        idx = (idx + (i < 1 ? 0 : 1)) * 26;
>          idx += *ptr - 'a';
>          ptr++;
>      }
> 

ACK,

Martin




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