[PATCH] clk: st: avoid uninitialized variable use

[Stephen Boyd]

On 01/25, Arnd Bergmann wrote:
> My previous patch fixed some warnings about printing a couple
> of variables that are always uninitialized in quadfs_pll_fs660c32_set_rate(),
> but I now got a warning that only shows up in some configurations (i.e.
> without gcc -Os) about the params.ndiv being used uninitialized in the
> error case:
> 
> drivers/clk/st/clkgen-fsyn.c: In function 'quadfs_pll_fs660c32_set_rate':
> drivers/clk/st/clkgen-fsyn.c:584:75: warning: 'params.ndiv' may be used uninitialized in this function [-Wmaybe-uninitialized]
> drivers/clk/st/clkgen-fsyn.c:574:16: note: 'params.ndiv' was declared here
> 
> This changes the error handling so we bail for invalid arguments rather
> than continuing with uninitialized data.
> 
> Signed-off-by: Arnd Bergmann <arnd at arndb.de>
> ---

Applied to clk-next

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