On Wed, 5 Apr 2023, D. Starke wrote: > From: Daniel Starke <daniel.starke@xxxxxxxxxxx> > > The malformed counter in gsm_mux is already increased in case of errors > detected in gsm_queue() and gsm1_receive(). gsm_dlci_command() also > detects a case for a malformed frame but does not increase the malformed > counter yet. > > Fix this by also increasing the gsm_mux malformed counter in case of a > malformed frame in gsm_dlci_command(). > > Signed-off-by: Daniel Starke <daniel.starke@xxxxxxxxxxx> > --- > drivers/tty/n_gsm.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c > index 9f6669686c59..317aa67ed169 100644 > --- a/drivers/tty/n_gsm.c > +++ b/drivers/tty/n_gsm.c > @@ -2454,8 +2454,10 @@ static void gsm_dlci_command(struct gsm_dlci *dlci, const u8 *data, int len) > data += dlen; > > /* Malformed command? */ > - if (clen > len) > + if (clen > len) { > + dlci->gsm->malformed++; > return; > + } Should this change have a Fixes: tag? Or is ->malformed just an internal variable which is not exposed anywhere (in which case state that in the changelog)? -- i.