random-mirrors/smaeul-u-boot
1
0
Fork 0
mirror of https://github.com/smaeul/u-boot.git synced 2025-11-04 05:50:17 +00:00
Code Issues Packages Projects Releases Wiki Activity

button: qcom-pmic: fix some error checking

Browse Source 
The pmic_reg_read() function can return errors.  Add a check for that.

Fixes: 4e8aa0065d4b ("button: qcom-pmic: introduce Qualcomm PMIC button driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Caleb Connolly <caleb.connolly@linaro.org>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
This commit is contained in:
Dan Carpenter 2024-01-31 10:09:15 +03:00 committed by Caleb Connolly
parent 37345abb97
commit 6b929e9f3c
No known key found for this signature in database
GPG Key ID: 7930459FB9303217
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/button/button-qcom-pmic.c
View File

@ -86,7 +86,7 @@ static int qcom_pwrkey_probe(struct udevice *dev)
}
ret = pmic_reg_read(priv->pmic, priv->base + REG_SUBTYPE);
if ((ret & 0x7) == 0) {
if (ret < 0 || (ret & 0x7) == 0) {
printf("%s: unexpected PMCI function subtype %d\n", dev->name, ret);
return -ENXIO;
}