Re: [PATCH] xen/xenbus: silence GCC warning

From: Konrad Rzeszutek Wilk
Date: Mon Oct 15 2012 - 09:32:55 EST


On Mon, Oct 15, 2012 at 12:03:09PM +0200, Paul Bolle wrote:
> Compiling xenbus_xs.o triggers this GCC warning:
> drivers/xen/xenbus/xenbus_xs.c:628:13: warning: function declaration isnât a prototype [-Wstrict-prototypes]
>
> Add the obvious and trivial fix.

I already got the fix for this in my tree. Thanks!

>
> While we're touching this function add some equally obvious and trivial
> whitespace fixes.
>
> Signed-off-by: Paul Bolle <pebolle@xxxxxxxxxx>
> ---
> 0) Triggered by compiling v3.7-rc1 using (basically) Fedora 17's current
> config. Compile tested only.
>
> 1) Obligatory reference: https://lwn.net/Articles/487493/ .
>
> drivers/xen/xenbus/xenbus_xs.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c
> index 48220e1..7a2b0da 100644
> --- a/drivers/xen/xenbus/xenbus_xs.c
> +++ b/drivers/xen/xenbus/xenbus_xs.c
> @@ -619,13 +619,14 @@ static struct xenbus_watch *find_watch(const char *token)
>
> return NULL;
> }
> +
> /*
> * Certain older XenBus toolstack cannot handle reading values that are
> * not populated. Some Xen 3.4 installation are incapable of doing this
> * so if we are running on anything older than 4 do not attempt to read
> * control/platform-feature-xs_reset_watches.
> */
> -static bool xen_strict_xenbus_quirk()
> +static bool xen_strict_xenbus_quirk(void)
> {
> uint32_t eax, ebx, ecx, edx, base;
>
> @@ -635,8 +636,8 @@ static bool xen_strict_xenbus_quirk()
> if ((eax >> 16) < 4)
> return true;
> return false;
> -
> }
> +
> static void xs_reset_watches(void)
> {
> int err, supported = 0;
> --
> 1.7.11.7
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