battery: add NULL check routine for input parameter

- App crash issue occurs when the input parameter is NULL.
  Thus NULL check routine is added.

Change-Id: I34321c2ebb5c630c25afb8972d448db234769bc3
Signed-off-by: taeyoung <ty317.kim@samsung.com>

diff --git a/src/battery.c b/src/battery.c
index d65ed3d..f1f5217 100644 (file)
--- a/src/battery.c
+++ b/src/battery.c
@@ -170,6 +170,9 @@ int device_battery_get_health(device_battery_health_e *health)
        int ret;
        size_t len;
 
+       if (!health)
+               return DEVICE_ERROR_INVALID_PARAMETER;
+
        ret = device_battery_get_info(&info);
        if (ret != DEVICE_ERROR_NONE) {
                _E("Failed to get battery info (%d)", ret);
@@ -199,6 +202,9 @@ int device_battery_get_power_source(device_battery_power_source_e *source)
        int ret;
        size_t len;
 
+       if (!source)
+               return DEVICE_ERROR_INVALID_PARAMETER;
+
        ret = device_battery_get_info(&info);
        if (ret != DEVICE_ERROR_NONE) {
                _E("Failed to get battery info (%d)", ret);
@@ -255,6 +261,9 @@ int device_battery_get_status(device_battery_status_e *status)
        int ret;
        size_t len;
 
+       if (!status)
+               return DEVICE_ERROR_INVALID_PARAMETER;
+
        ret = device_battery_get_info(&info);
        if (ret != DEVICE_ERROR_NONE) {
                _E("Failed to get battery info (%d)", ret);