[Mesa-dev] [PATCH] i965: use strtol to convert the integer deviceID override

Kenneth Graunke kenneth at whitecape.org
Fri Jul 14 17:02:45 UTC 2017


On Friday, July 14, 2017 5:56:58 AM PDT Emil Velikov wrote:
> From: Emil Velikov <emil.velikov at collabora.com>
> 
> One can override the deviceID, by setting the INTEL_DEVID_OVERRIDE
> variable. A few symbolic names or a numerical value for the actual
> device ID is accepted.
> 
> At the same time we're using strtod (string to double) to convert the
> string to a decimal numeral. A seeming thinko, made by the original
> commit that introduces the code in libdrm_intel and got here with the
> import.
> 
> Fixes: 514db96c117a ("i965: Import libdrm_intel.")
> Cc: Kenneth Graunke <kenneth at whitecape.org>
> Signed-off-by: Emil Velikov <emil.velikov at collabora.com>
> ---
> The device ID is a uint16_t in practise, despite that we're using
> uint32_t or int thoughout. Should we bother and consistently use 
> uint16_t/other?
> ---
>  src/mesa/drivers/dri/i965/intel_screen.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/src/mesa/drivers/dri/i965/intel_screen.c b/src/mesa/drivers/dri/i965/intel_screen.c
> index 641edb7e72b..f4670fc2614 100644
> --- a/src/mesa/drivers/dri/i965/intel_screen.c
> +++ b/src/mesa/drivers/dri/i965/intel_screen.c
> @@ -2026,7 +2026,7 @@ parse_devid_override(const char *devid_override)
>           return name_map[i].pci_id;
>     }
>  
> -   return strtod(devid_override, NULL);
> +   return strtol(devid_override, NULL, 0);
>  }
>  
>  /**
> 

*shrug* - I'm fine with uint16_t, but uint32_t or int isn't
exactly going to break the bank :)

Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
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