aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorLinus Walleij <linus.walleij@linaro.org>2023-10-04 11:02:05 +0200
committerLinus Walleij <linus.walleij@linaro.org>2023-10-06 23:04:21 +0200
commit0a9a2dc4d137fa9a5fbf89a566ccf6e781b9338c (patch)
treed72fe8baad30b0722fc501f753b14f496d738a20
parent5a4aba152f9efdca57c18f28ff2448d23aba8e4d (diff)
pinctrl: realtek: Fix some NULL dereference warningssent/fix-realtek-warnings-v1
Just inspecting the code doesn't convince me that this is a real issue, but the tools complain that it is so I will just handle it. Cc: Tzuyi Chang <tychang@realtek.com> Link: https://lore.kernel.org/oe-kbuild-all/202309270234.aJGlDE0P-lkp@intel.com/ Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
-rw-r--r--drivers/pinctrl/realtek/pinctrl-rtd.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/pinctrl/realtek/pinctrl-rtd.c b/drivers/pinctrl/realtek/pinctrl-rtd.c
index bafe27face80..fc27e4f61be1 100644
--- a/drivers/pinctrl/realtek/pinctrl-rtd.c
+++ b/drivers/pinctrl/realtek/pinctrl-rtd.c
@@ -165,7 +165,10 @@ static int rtd_pinctrl_set_one_mux(struct pinctrl_dev *pcdev,
return 0;
if (!mux->functions) {
- dev_err(pcdev->dev, "No functions available for pin %s\n", mux->name);
+ if (!mux->name)
+ dev_err(pcdev->dev, "NULL pin has no functions\n");
+ else
+ dev_err(pcdev->dev, "No functions available for pin %s\n", mux->name);
return -ENOTSUPP;
}
@@ -177,6 +180,11 @@ static int rtd_pinctrl_set_one_mux(struct pinctrl_dev *pcdev,
return ret;
}
+ if (!mux->name) {
+ dev_err(pcdev->dev, "NULL pin provided for function %s\n", func_name);
+ return -EINVAL;
+ }
+
dev_err(pcdev->dev, "No function %s available for pin %s\n", func_name, mux->name);
return -EINVAL;