Update bc35_28_95_lwm2m.c

if (!str) 
    {
        return -1;
    }
This commit is contained in:
David Lin
2020-08-10 18:20:37 +08:00
committed by GitHub
parent ad5f75d4a3
commit 3a218ec2a0

View File

@@ -158,6 +158,10 @@ static int bc35_28_95_signal_quality_check(void)
} }
str = strstr(echo.buffer, "+CSQ:"); str = strstr(echo.buffer, "+CSQ:");
if (!str)
{
return -1;
}
sscanf(str, "+CSQ:%d,%d", &rssi, &ber); sscanf(str, "+CSQ:%d,%d", &rssi, &ber);
if (rssi == 99) { if (rssi == 99) {
return -1; return -1;