Re: [PATCH] arch: powerpc: kernel: vio.c: Remove unused function

From: Michael Ellerman
Date: Tue Dec 09 2014 - 00:30:09 EST


On Sun, 2014-12-07 at 23:31 +0100, Rickard Strandqvist wrote:
> Remove the function cmo_high_show() that is not used anywhere.
>
> This was partially found by using a static code analysis program called cppcheck.
>
> Signed-off-by: Rickard Strandqvist <rickard_strandqvist@xxxxxxxxxxxxxxxxxx>
> ---
> arch/powerpc/kernel/vio.c | 5 -----
> 1 file changed, 5 deletions(-)
>
> diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
> index 5bfdab9..11657d2 100644
> --- a/arch/powerpc/kernel/vio.c
> +++ b/arch/powerpc/kernel/vio.c
> @@ -1032,11 +1032,6 @@ viobus_cmo_pool_rd_attr(reserve, size);
> viobus_cmo_pool_rd_attr(excess, size);
> viobus_cmo_pool_rd_attr(excess, free);
>
> -static ssize_t cmo_high_show(struct bus_type *bt, char *buf)
> -{
> - return sprintf(buf, "%lu\n", vio_cmo.high);
> -}


from ../arch/powerpc/kernel/vio.c:17:
../arch/powerpc/kernel/vio.c:1046:20: error: 'cmo_high_show' undeclared here (not in a function)
static BUS_ATTR_RW(cmo_high);
^
../include/linux/sysfs.h:76:10: note: in definition of macro '__ATTR'
.show = _show, \
^
../include/linux/device.h:53:42: note: in expansion of macro '__ATTR_RW'
struct bus_attribute bus_attr_##_name = __ATTR_RW(_name)
^
../arch/powerpc/kernel/vio.c:1046:8: note: in expansion of macro 'BUS_ATTR_RW'
static BUS_ATTR_RW(cmo_high);
^

cheers


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