On Mon, Jan 17, 2011 at 10:01, Felipe Balbi <[email protected]> wrote:
> Fix the following compile warning:
> arch/arm/mach-omap2/clkt_clksel.c: In function '_get_div_and_fieldval':
> arch/arm/mach-omap2/clkt_clksel.c:100:35: warning: 'max_clkr' may be
> used uninitialized in this function
>
> While at that, also add a check to avoid using max_clkr while NULL.
>
> Signed-off-by: Felipe Balbi <[email protected]>
> ---
> arch/arm/mach-omap2/clkt_clksel.c | 5 ++++-
> 1 files changed, 4 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/clkt_clksel.c
> b/arch/arm/mach-omap2/clkt_clksel.c
> index a781cd6..baf0b6b 100644
> --- a/arch/arm/mach-omap2/clkt_clksel.c
> +++ b/arch/arm/mach-omap2/clkt_clksel.c
> @@ -97,7 +97,7 @@ static u8 _get_div_and_fieldval(struct clk *src_clk, struct
> clk *clk,
> u32 *field_val)
> {
> const struct clksel *clks;
> - const struct clksel_rate *clkr, *max_clkr;
> + const struct clksel_rate *clkr, *max_clkr = NULL;
> u8 max_div = 0;
>
> clks = _get_clksel_by_parent(clk, src_clk);
> @@ -123,6 +123,9 @@ static u8 _get_div_and_fieldval(struct clk *src_clk,
> struct clk *clk,
> }
> }
>
> + if (!max_clkr)
> + return 0;
Would it be more appropriate to move this check after the "if" check
of max_div==0 and it's warning?
or add a warning before it returns?
> +
> if (max_div == 0) {
> /* This indicates an error in the clksel data */
> WARN(1, "clock: Could not find divisor for clock %s parent %s"
> --
> 1.7.3.4.598.g85356
>
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