sensor: lis2mdl: Handle return value of i2c_burst_read
i2c_burst_read can fail during read/write procedure. Therefore,
add a sanity check for its return value.
Fixes #11101
Coverity-CID: 189505
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
diff --git a/drivers/sensor/lis2mdl/lis2mdl_trigger.c b/drivers/sensor/lis2mdl/lis2mdl_trigger.c
index fef8745..2b51159 100644
--- a/drivers/sensor/lis2mdl/lis2mdl_trigger.c
+++ b/drivers/sensor/lis2mdl/lis2mdl_trigger.c
@@ -39,9 +39,12 @@
lis2mdl->handler_drdy = handler;
if (handler) {
/* fetch raw data sample: re-trigger lost interrupt */
- i2c_burst_read(lis2mdl->i2c, lis2mdl->i2c_addr,
- LIS2MDL_OUT_REG,
- raw, sizeof(raw));
+ if (i2c_burst_read(lis2mdl->i2c, lis2mdl->i2c_addr,
+ LIS2MDL_OUT_REG, raw,
+ sizeof(raw)) < 0) {
+ LOG_ERR("Failed to fetch raw data sample.");
+ return -EIO;
+ }
return lis2mdl_enable_int(dev, 1);
} else {
return lis2mdl_enable_int(dev, 0);
