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Fix return value and error message

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Stefan Wahren 2013-05-13 08:47:19 +02:00
parent 858aea33ab
commit d7168a4ea4
1 changed files with 2 additions and 1 deletions
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3
mbus/mbus-serial.c
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@ -291,7 +291,8 @@ mbus_serial_recv_frame(mbus_handle *handle, mbus_frame *frame)
// Make sure serial connection is open // Make sure serial connection is open
if (isatty(handle->fd) == 0) if (isatty(handle->fd) == 0)
{ {
return -1; fprintf(stderr, "%s: Serial connection is not available.\n", __PRETTY_FUNCTION__);
return MBUS_RECV_RESULT_ERROR;
} }
memset((void *)buff, 0, sizeof(buff)); memset((void *)buff, 0, sizeof(buff));