In sunxi_divs_clk_setup(), 'derived_name' is allocated by kstrndup(). It returns NULL when fails. 'derived_name' should be checked.
Signed-off-by: Gen Zhang <[email protected]> --- diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c index f5b1c00..830bfb7 100644 --- a/drivers/clk/sunxi/clk-sunxi.c +++ b/drivers/clk/sunxi/clk-sunxi.c @@ -989,6 +989,8 @@ static struct clk ** __init sunxi_divs_clk_setup(struct device_node *node, if (endp) { derived_name = kstrndup(clk_name, endp - clk_name, GFP_KERNEL); + if (!derived_name) + return NULL; factors.name = derived_name; } else { factors.name = clk_name; ---
