From: Axel Lin <axel.lin@ingics.com>
To: Lee Jones <lee.jones@linaro.org>
Cc: Chen Feng <puck.chen@hisilicon.com>,
linux-kernel@vger.kernel.org, Axel Lin <axel.lin@ingics.com>
Subject: [PATCH] mfd: hi655x-pmic: Fix missing return value check for devm_regmap_init_mmio_clk
Date: Wed, 6 Mar 2019 21:49:49 +0800 [thread overview]
Message-ID: <20190306134949.31883-1-axel.lin@ingics.com> (raw)
Since devm_regmap_init_mmio_clk can fail, add return value checking.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
drivers/mfd/hi655x-pmic.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/mfd/hi655x-pmic.c b/drivers/mfd/hi655x-pmic.c
index 96c07fa1802a..6693f74aa6ab 100644
--- a/drivers/mfd/hi655x-pmic.c
+++ b/drivers/mfd/hi655x-pmic.c
@@ -112,6 +112,8 @@ static int hi655x_pmic_probe(struct platform_device *pdev)
pmic->regmap = devm_regmap_init_mmio_clk(dev, NULL, base,
&hi655x_regmap_config);
+ if (IS_ERR(pmic->regmap))
+ return PTR_ERR(pmic->regmap);
regmap_read(pmic->regmap, HI655X_BUS_ADDR(HI655X_VER_REG), &pmic->ver);
if ((pmic->ver < PMU_VER_START) || (pmic->ver > PMU_VER_END)) {
--
2.17.1
next reply other threads:[~2019-03-06 13:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-06 13:49 Axel Lin [this message]
2019-03-07 1:44 ` [PATCH] mfd: hi655x-pmic: Fix missing return value check for devm_regmap_init_mmio_clk Chen Feng
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190306134949.31883-1-axel.lin@ingics.com \
--to=axel.lin@ingics.com \
--cc=lee.jones@linaro.org \
--cc=linux-kernel@vger.kernel.org \
--cc=puck.chen@hisilicon.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).