clk: st: Fix memory leak

When it fails to allocate div, gate should be free'd before return
Signed-off-by: Valentin Ilie <valentin.ilie@gmail.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>

drivers/clk/st/clkgen-pll.c

@@ -521,8 +521,10 @@ static struct clk * __init clkgen_odf_register(const char *parent_name,
 	gate->lock = odf_lock;
 
 	div = kzalloc(sizeof(*div), GFP_KERNEL);
-	if (!div)
+	if (!div) {
+		kfree(gate);
 		return ERR_PTR(-ENOMEM);
+	}
 
 	div->flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO;
 	div->reg = reg + pll_data->odf[odf].offset;