Messages in this thread Patch in this message | | | From | Sumit Garg <> | Subject | [PATCH v5 2/4] kdb: Check status of console prior to invoking handlers | Date | Wed, 3 Jun 2020 12:52:13 +0530 |
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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> Reviewed-by: Douglas Anderson <dianders@chromium.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 2d42a02..58b7d25 100644 --- a/kernel/debug/kdb/kdb_io.c +++ b/kernel/debug/kdb/kdb_io.c @@ -560,6 +560,8 @@ static void kdb_msg_write(const char *msg, int msg_len) } 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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