hal: audio_extn: add proper check to append null terminator

To append null terminator, add proper check and use correct
string length address.

Change-Id: I1716182a16d85f78de60b3435a2b54e9e05339cd

parent a55b4b5e

hal/audio_extn/spkr_protection.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -214,7 +214,8 @@ int get_tzn(const char *sensor_name)
		snprintf(name, MAX_PATH, TZ_TYPE, tzn);
		ALOGD("Opening %s\n", name);
		read_line_from_file(name, buf, sizeof(buf));
		buf[strlen(buf)] = '\0';
		if (strlen(buf) > 0)
		buf[strlen(buf) - 1] = '\0';
		if (!strcmp(buf, sensor_name)) {
		found = 1;
		break;