From: "Victor N. Ramos Mello" <[email protected]> Fix a possible memory leak in sun4i_osc_clk_setup(). Moved clock-frequency check to save superfluous allocation.
Signed-off-by: Victor N. Ramos Mello <[email protected]> --- drivers/clk/sunxi/clk-sunxi.c | 16 +++++++++------- 1 files changed, 9 insertions(+), 7 deletions(-) diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c index 34ee69f..a741770 100644 --- a/drivers/clk/sunxi/clk-sunxi.c +++ b/drivers/clk/sunxi/clk-sunxi.c @@ -38,18 +38,16 @@ static void __init sun4i_osc_clk_setup(struct device_node *node) const char *clk_name = node->name; u32 rate; + if (of_property_read_u32(node, "clock-frequency", &rate)) + return; + /* allocate fixed-rate and gate clock structs */ fixed = kzalloc(sizeof(struct clk_fixed_rate), GFP_KERNEL); if (!fixed) return; gate = kzalloc(sizeof(struct clk_gate), GFP_KERNEL); - if (!gate) { - kfree(fixed); - return; - } - - if (of_property_read_u32(node, "clock-frequency", &rate)) - return; + if (!gate) + goto err_gate; /* set up gate and fixed rate properties */ gate->reg = of_iomap(node, 0); @@ -67,7 +65,11 @@ static void __init sun4i_osc_clk_setup(struct device_node *node) if (!IS_ERR(clk)) { of_clk_add_provider(node, of_clk_src_simple_get, clk); clk_register_clkdev(clk, clk_name, NULL); + return; } + kfree(gate); +err_gate: + kfree(fixed); } CLK_OF_DECLARE(sun4i_osc, "allwinner,sun4i-osc-clk", sun4i_osc_clk_setup); -- 1.7.5.4 -- 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/
