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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2019-07-26 15:18:19 +0300
committerChanwoo Choi <cw00.choi@samsung.com>2019-07-29 04:23:46 +0300
commitd72e3dc7915fc6c54645772c13f4afc0e676c7e2 (patch)
tree65abe917ccbb5557f398028851410a5b434993d4 /drivers/extcon
parent005ad18727b489eb9fd6182f8941042e274387dc (diff)
downloadlinux-d72e3dc7915fc6c54645772c13f4afc0e676c7e2.tar.xz
extcon: axp288: Add missed error check
It seems from the very beginning the error check has been missed in axp288_extcon_log_rsi(). Add it here. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Diffstat (limited to 'drivers/extcon')
-rw-r--r--drivers/extcon/extcon-axp288.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/extcon/extcon-axp288.c b/drivers/extcon/extcon-axp288.c
index 7254852e6ec0..694a8d4a57ff 100644
--- a/drivers/extcon/extcon-axp288.c
+++ b/drivers/extcon/extcon-axp288.c
@@ -135,6 +135,11 @@ static void axp288_extcon_log_rsi(struct axp288_extcon_info *info)
int ret;
ret = regmap_read(info->regmap, AXP288_PS_BOOT_REASON_REG, &val);
+ if (ret < 0) {
+ dev_err(info->dev, "failed to read reset source indicator\n");
+ return;
+ }
+
for (i = 0, rsi = axp288_pwr_up_down_info; *rsi; rsi++, i++) {
if (val & BIT(i)) {
dev_dbg(info->dev, "%s\n", *rsi);