Messages in this thread Patch in this message | | | From | Sudip Mukherjee <> | Subject | [PATCH] thermal: ti-soc-thermal: avoid dereferencing ERR_PTR | Date | Thu, 23 Apr 2020 13:57:57 +0100 |
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On error the function ti_bandgap_get_sensor_data() returns the error code in ERR_PTR() but we only checked if the return value is NULL or not. And, so we can dereference a error code inside ERR_PTR.
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com> --- drivers/thermal/ti-soc-thermal/ti-thermal-common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/thermal/ti-soc-thermal/ti-thermal-common.c b/drivers/thermal/ti-soc-thermal/ti-thermal-common.c index d3e959d01606..1e2bf1f22dd1 100644 --- a/drivers/thermal/ti-soc-thermal/ti-thermal-common.c +++ b/drivers/thermal/ti-soc-thermal/ti-thermal-common.c @@ -196,7 +196,7 @@ int ti_thermal_remove_sensor(struct ti_bandgap *bgp, int id) data = ti_bandgap_get_sensor_data(bgp, id); - if (data && data->ti_thermal) { + if (!IS_ERR_OR_NULL(data) && data->ti_thermal) { if (data->our_zone) thermal_zone_device_unregister(data->ti_thermal); } -- 2.11.0
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