slcanpty: fix wrong usage of nbytes variable

nbytes is used after writing the CAN frame to check for an additional command
in the string buffer. Therefore using nbytes while writing the CAN frame is
wrong. Replace it with 'tmp' which can be used here without problems.

Signed-off-by: ulrich escher<git@myvdr.de>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>

diff --git a/slcanpty.c b/slcanpty.c
index b45b1a8..67a7491 100644 (file)
--- a/slcanpty.c
+++ b/slcanpty.c
@@ -270,8 +270,8 @@ rx_restart:
                        ptr--;
        }
 
-       nbytes = write(socket, &frame, sizeof(frame));
-       if (nbytes != sizeof(frame)) {
+       tmp = write(socket, &frame, sizeof(frame));
+       if (tmp != sizeof(frame)) {
                perror("write socket");
                return 1;
        }