clk: versatile-icst: fix memory leak

commit 7bdccef3 upstream.

A static code checker found a memory leak in the Versatile
ICST code. Fix it.

Fixes: a183da63 "clk: versatile: respect parent rate in ICST clock"
Reported-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>

drivers/clk/versatile/clk-icst.c

@@ -156,8 +156,10 @@ struct clk *icst_clk_register(struct device *dev,
 	icst->lockreg = base + desc->lock_offset;
 
 	clk = clk_register(dev, &icst->hw);
-	if (IS_ERR(clk))
+	if (IS_ERR(clk)) {
+		kfree(pclone);
 		kfree(icst);
+	}
 
 	return clk;
 }