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serial: fix handling errors in virtual serial ports

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The g_socket_receive() method returns a signed size variable, so don't
use an unsigned variable to hold the result.
This commit is contained in:
Aleksander Morgado
2017-01-26 14:36:02 +01:00
parent c8ec731043
commit 3de34e94cc
1 changed files with 11 additions and 7 deletions
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18
src/mm-port-serial.c
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@@ -974,12 +974,14 @@ common_input_available (MMPortSerial *self,
g_clear_error (&error); g_clear_error (&error);
} }
} else if (self->priv->socket) { } else if (self->priv->socket) {
bytes_read = g_socket_receive (self->priv->socket, gssize sbytes_read;
buf,
SERIAL_BUF_SIZE, sbytes_read = g_socket_receive (self->priv->socket,
NULL, /* cancellable */ buf,
&error); SERIAL_BUF_SIZE,
if (bytes_read == -1) { NULL, /* cancellable */
&error);
if (sbytes_read < 0) {
bytes_read = 0; bytes_read = 0;
if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_WOULD_BLOCK)) if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_WOULD_BLOCK))
status = G_IO_STATUS_AGAIN; status = G_IO_STATUS_AGAIN;
@@ -989,8 +991,10 @@ common_input_available (MMPortSerial *self,
mm_port_get_device (MM_PORT (self)), mm_port_get_device (MM_PORT (self)),
error->message); error->message);
g_clear_error (&error); g_clear_error (&error);
} else } else {
bytes_read = (gsize) sbytes_read;
status = G_IO_STATUS_NORMAL; status = G_IO_STATUS_NORMAL;
}
} }
/* If no bytes read, just wait for more data */ /* If no bytes read, just wait for more data */