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[13/17] pinctrl: Avoid coverity warning when checking width

Message ID 20210508220021.1778080-14-sjg@chromium.org
State Changes Requested
Delegated to: Tom Rini
Headers show
Series Fix various coverity warnings | expand

Commit Message

Simon Glass May 8, 2021, 10 p.m. UTC 
The width is set up in single_of_to_plat() and can only have three values,
all of which result in a non-zero divisor. Add a comment to help
coverity.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reported-by: Coverity (CID: 331154)
---

 drivers/pinctrl/pinctrl-single.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index ebb7602dde8..8100766d44b 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -471,6 +471,7 @@  static int single_probe(struct udevice *dev)
 		return -ENOMEM;
 	#endif
 
+	/* coverity[DIVIDE_BY_ZERO] */
 	priv->npins = size / (pdata->width / BITS_PER_BYTE);
 	if (pdata->bits_per_mux) {
 		if (!pdata->mask) {