From: Thomas Gleixner <[email protected]> Unprotected list walks are not necessarily safe.
Signed-off-by: Thomas Gleixner <[email protected]> Signed-off-by: John Ogness <[email protected]> Reviewed-by: Sergey Senozhatsky <[email protected]> --- drivers/tty/serial/kgdboc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c index 79b7db8580e0..af2aa76bae15 100644 --- a/drivers/tty/serial/kgdboc.c +++ b/drivers/tty/serial/kgdboc.c @@ -193,7 +193,8 @@ static int configure_kgdboc(void) if (!p) goto noconfig; - for_each_console(cons) { + console_list_lock(); + for_each_registered_console(cons) { int idx; if (cons->device && cons->device(cons, &idx) == p && idx == tty_line) { @@ -201,6 +202,7 @@ static int configure_kgdboc(void) break; } } + console_list_unlock(); kgdb_tty_driver = p; kgdb_tty_line = tty_line; -- 2.30.2 _______________________________________________ Kgdb-bugreport mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/kgdb-bugreport
