pcie-gadget-spear: fix error return code in spear_pcie_gadget_probe()

Fix to return a negative error code in the clk_get_sys() and clk_enable()
error handling case instead of 0, as done elsewhere in this function.
Signed-off-by: NWei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/spear13xx_pcie_gadget.c

@@ -814,9 +814,11 @@ static int spear_pcie_gadget_probe(struct platform_device *pdev)
 		clk = clk_get_sys("pcie1", NULL);
 		if (IS_ERR(clk)) {
 			pr_err("%s:couldn't get clk for pcie1\n", __func__);
+			status = PTR_ERR(clk);
 			goto err_irq;
 		}
-		if (clk_enable(clk)) {
+		status = clk_enable(clk);
+		if (status) {
 			pr_err("%s:couldn't enable clk for pcie1\n", __func__);
 			goto err_irq;
 		}
@@ -828,9 +830,11 @@ static int spear_pcie_gadget_probe(struct platform_device *pdev)
 		clk = clk_get_sys("pcie2", NULL);
 		if (IS_ERR(clk)) {
 			pr_err("%s:couldn't get clk for pcie2\n", __func__);
+			status = PTR_ERR(clk);
 			goto err_irq;
 		}
-		if (clk_enable(clk)) {
+		status = clk_enable(clk);
+		if (status) {
 			pr_err("%s:couldn't enable clk for pcie2\n", __func__);
 			goto err_irq;
 		}