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tty: n_gsm: Fix bogus i++ in gsm_data_kick 

When submitting the previous fix "tty: n_gsm: Fix waking up upper tty
layer when room available". It was suggested to switch from a while to
a for loop, but when doing it, there was a remaining bogus i++.

This patch removes this i++ and also reorganizes the code making it more
compact.

Fixes: e1eaea46bb ("tty: n_gsm line discipline")
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Link: https://lore.kernel.org/r/20200518084517.2173242-3-gregory.clement@bootlin.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gregory CLEMENT 2020-05-18 10:45:13 +02:00 committed by Greg Kroah-Hartman
parent 57626ff1c9
commit 4dd31f1ffe
1 changed files with 3 additions and 11 deletions
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14
drivers/tty/n_gsm.c
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@ -700,17 +700,9 @@ static void gsm_data_kick(struct gsm_mux *gsm, struct gsm_dlci *dlci)
} else {
int i = 0;
for (i = 0; i < NUM_DLCI; i++) {
struct gsm_dlci *dlci;
dlci = gsm->dlci[i];
if (dlci == NULL) {
i++;
continue;
}
tty_port_tty_wakeup(&dlci->port);
}
for (i = 0; i < NUM_DLCI; i++)
if (gsm->dlci[i])
tty_port_tty_wakeup(&gsm->dlci[i]->port);
}
}
}