linux-kernel - [PATCH] pcie-gadget-spear: fix error return code in spear_pcie_gadget

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Date:	Fri, 31 May 2013 20:01:30 +0800
From:	Wei Yongjun <weiyj.lk@...il.com>
To:	arnd@...db.de, gregkh@...uxfoundation.org
Cc:	yongjun_wei@...ndmicro.com.cn, linux-kernel@...r.kernel.org
Subject: [PATCH] pcie-gadget-spear: fix error return code in spear_pcie_gadget_probe()

From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>

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: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
 drivers/misc/spear13xx_pcie_gadget.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/misc/spear13xx_pcie_gadget.c b/drivers/misc/spear13xx_pcie_gadget.c
index 7deb25d..288c35b 100644
--- a/drivers/misc/spear13xx_pcie_gadget.c
+++ b/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;
 		}

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