Messages in this thread | | | Date | Wed, 27 May 2020 15:26:49 +0100 | From | Daniel Thompson <> | Subject | Re: [PATCH v3 2/4] kdb: Check status of console prior to invoking handlers |
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On Wed, May 27, 2020 at 11:55:57AM +0530, Sumit Garg wrote: > Check if a console is enabled prior to invoking corresponding write > handler. > > Suggested-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> > Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
> --- > kernel/debug/kdb/kdb_io.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c > index f6b4d47..349dfcc 100644 > --- a/kernel/debug/kdb/kdb_io.c > +++ b/kernel/debug/kdb/kdb_io.c > @@ -564,6 +564,8 @@ static void kdb_msg_write(char *msg, int msg_len) > kdb_io_write(msg, msg_len, dbg_io_ops->write_char); > > for_each_console(c) { > + if (!(c->flags & CON_ENABLED)) > + continue; > c->write(c, msg, msg_len); > touch_nmi_watchdog(); > } > -- > 2.7.4 >
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