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slcanpty: declare command buffer static 

ASCII command buffer char buf[200] must be declared as static,
because it holds incomplete commands between pty2can() calls.
Without static it is not guaranteed, that buf retains the same
data between calls.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
pull/1/head
Yegor Yefremov 2014-01-13 14:29:16 +01:00 committed by Marc Kleine-Budde
parent 31936b5a17
commit c7aa0b7051
1 changed files with 1 additions and 1 deletions
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slcanpty.c
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@ -68,7 +68,7 @@ int pty2can(int pty, int socket, struct can_filter *fi,
{ {
int nbytes; int nbytes;
char cmd; char cmd;
char buf[200]; static char buf[200];
char replybuf[10]; /* for answers to received commands */ char replybuf[10]; /* for answers to received commands */
int ptr; int ptr;
struct can_frame frame; struct can_frame frame;