uio: uio_pruss: Fix potential NULL pointer dereference

In function pruss_probe we free gdev and try to use
it on the next line. I have moved the dereference to
above the kfree of gdev.
Signed-off-by: Emil Goode <emilgoode@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/uio/uio_pruss.c

@@ -136,9 +136,9 @@ static int pruss_probe(struct platform_device *dev)
 	gdev->pruss_clk = clk_get(&dev->dev, "pruss");
 	if (IS_ERR(gdev->pruss_clk)) {
 		dev_err(&dev->dev, "Failed to get clock\n");
+		ret = PTR_ERR(gdev->pruss_clk);
 		kfree(gdev->info);
 		kfree(gdev);
-		ret = PTR_ERR(gdev->pruss_clk);
 		return ret;
 	} else {
 		clk_enable(gdev->pruss_clk);