The function can return negative values, so its result should be assigned to signed variable.
The problem has been detected using proposed semantic patch scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1]. [1]: http://permalink.gmane.org/gmane.linux.kernel/2046107 Signed-off-by: Andrzej Hajda <[email protected]> --- drivers/clk/sunxi/clk-sun8i-bus-gates.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/clk/sunxi/clk-sun8i-bus-gates.c b/drivers/clk/sunxi/clk-sun8i-bus-gates.c index 7ab60c5..ecadd97 100644 --- a/drivers/clk/sunxi/clk-sun8i-bus-gates.c +++ b/drivers/clk/sunxi/clk-sun8i-bus-gates.c @@ -47,12 +47,12 @@ static void __init sun8i_h3_bus_gates_init(struct device_node *node) return; for (i = 0; i < ARRAY_SIZE(names); i++) { - index = of_property_match_string(node, "clock-names", - names[i]); - if (index < 0) + int idx = of_property_match_string(node, "clock-names", + names[i]); + if (idx < 0) return; - parents[i] = of_clk_get_parent_name(node, index); + parents[i] = of_clk_get_parent_name(node, idx); } clk_data = kmalloc(sizeof(struct clk_onecell_data), GFP_KERNEL); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
