On Tue, Sep 25, 2012 at 10:28:06AM -0700, Jason Gerecke wrote:
> Commit cff344b1 modified the null-handling of wcmCheckSource, such
> that the wrong result will be returned if either/both fsource and
> psource are null.
>
> Signed-off-by: Jason Gerecke <killert...@gmail.com>
> ---
> src/wcmValidateDevice.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/src/wcmValidateDevice.c b/src/wcmValidateDevice.c
> index a296984..7551d75 100644
> --- a/src/wcmValidateDevice.c
> +++ b/src/wcmValidateDevice.c
> @@ -49,13 +49,17 @@ static Bool wcmCheckSource(InputInfoPtr pInfo, dev_t
> min_maj)
> char* fsource = xf86CheckStrOption(pInfo->options,
> "_source", NULL);
> char* psource = xf86CheckStrOption(pDevices->options,
> "_source", NULL);
>
> + if (!fsource)
> + fsource = "";
> + if (!psource)
> + psource = "";
> +
Instead just use the 'deflt' argument to xf86CheckStrOption
char* psource = xf86CheckStrOption(pDevices->options, "_source", "");
With that change, Reviewed-by: Peter Hutterer <peter.hutte...@who-t.net>
Cheers,
Peter
> if (pCommon->min_maj &&
> pCommon->min_maj == min_maj)
> {
> /* only add the new tool if the matching
> major/minor
> * was from the same source */
> - if ((!fsource && !psource) ||
> - (fsource && psource && strcmp(fsource,
> psource)))
> + if (strcmp(fsource, psource))
> {
> match = 1;
> break;
> --
> 1.7.12
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