[PATCH 4/6] mtd: nand: vf610_nfc: Handle return value of clk_prepare_enable.

From	Arvind Yadav <arvind.yadav.cs@gmail.com>
Newsgroups	linux.kernel
Subject	[PATCH 4/6] mtd: nand: vf610_nfc: Handle return value of clk_prepare_enable.
Date	2017-08-01 13:40 +0200
Message-ID	<u9DGO-3pR-13@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
 drivers/mtd/nand/vf610_nfc.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/vf610_nfc.c
index 744ab10..db03d4f 100644
--- a/drivers/mtd/nand/vf610_nfc.c
+++ b/drivers/mtd/nand/vf610_nfc.c
@@ -816,10 +816,13 @@ static int vf610_nfc_resume(struct device *dev)
 {
 	struct mtd_info *mtd = dev_get_drvdata(dev);
 	struct vf610_nfc *nfc = mtd_to_nfc(mtd);
+	int ret;
 
 	pinctrl_pm_select_default_state(dev);
 
-	clk_prepare_enable(nfc->clk);
+	ret = clk_prepare_enable(nfc->clk);
+	if (ret)
+		return ret;
 
 	vf610_nfc_preinit_controller(nfc);
 	vf610_nfc_init_controller(nfc);
-- 
1.9.1

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[PATCH 4/6] mtd: nand: vf610_nfc: Handle return value of clk_prepare_enable. Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-08-01 13:40 +0200
  Re: [PATCH 4/6] mtd: nand: vf610_nfc: Handle return value of  clk_prepare_enable. Boris Brezillon <boris.brezillon@free-electrons.com> - 2017-08-03 17:30 +0200

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