Remove BUG_ON from n_tty_read()
authorStanislav Kozina <skozina@redhat.com>
Thu, 16 Aug 2012 11:01:47 +0000 (12:01 +0100)
committerBen Hutchings <ben@decadent.org.uk>
Wed, 17 Oct 2012 02:48:11 +0000 (03:48 +0100)
commitf39a95cd513843b051b9854bc3b60dc9c1077479
tree26e94ef8517019306fd2352196f2d439f041ed8e
parent49167eecdec7620e15678f7a0ac30c4e8e4b32db
Remove BUG_ON from n_tty_read()

commit e9490e93c1978b6669f3e993caa3189be13ce459 upstream.

Change the BUG_ON to WARN_ON and return in case of tty->read_buf==NULL. We want to track a
couple of long standing reports of this but at the same time we can avoid killing the box.

Signed-off-by: Stanislav Kozina <skozina@redhat.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/tty/n_tty.c