From: Tero Kristo Date: Wed, 2 Jul 2014 08:47:35 +0000 (+0300) Subject: ARM: OMAP2+: clock/dpll: fix _dpll_test_fint arithmetics overflow X-Git-Tag: v4.9.8~6014^2~2^2~5^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6340c8720ce34f35b41a2e15d69fe3d755cb2104;p=platform%2Fkernel%2Flinux-rpi3.git ARM: OMAP2+: clock/dpll: fix _dpll_test_fint arithmetics overflow The divider value provided to the _dpll_test_fint can reach value of 256 with J type DPLLs (USB etc.), which causes an overflow with the u8 datatype. Fix this by changing the parameter to be an int instead. Signed-off-by: Tero Kristo [paul@pwsan.com: changed type of 'n' to unsigned int] Signed-off-by: Paul Walmsley --- diff --git a/arch/arm/mach-omap2/clkt_dpll.c b/arch/arm/mach-omap2/clkt_dpll.c index 332af92..67fd26a 100644 --- a/arch/arm/mach-omap2/clkt_dpll.c +++ b/arch/arm/mach-omap2/clkt_dpll.c @@ -76,7 +76,7 @@ * (assuming that it is counting N upwards), or -2 if the enclosing loop * should skip to the next iteration (again assuming N is increasing). */ -static int _dpll_test_fint(struct clk_hw_omap *clk, u8 n) +static int _dpll_test_fint(struct clk_hw_omap *clk, unsigned int n) { struct dpll_data *dd; long fint, fint_min, fint_max;