b43: fix debugfs crash
authorChristian Lamparter <chunkeey@googlemail.com>
Sat, 17 Sep 2016 19:43:03 +0000 (21:43 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 21 Sep 2016 10:13:34 +0000 (12:13 +0200)
commit51b275a6fe5601834b717351d6cbdb89bd1f308b
tree2414a4e2e751ee8d04196c1c5e60c43cf3f19cbe
parent86f0e06767dda7863d6d2a8f0b3b857e6ea876a0
b43: fix debugfs crash

This patch fixes a crash that happens because b43's
debugfs code expects file->f_op to be a pointer to
its own b43_debugfs_fops struct. This is no longer
the case since commit 9fd4dcece43a
("debugfs: prevent access to possibly dead file_operations at file open")

Reviewed-by: Nicolai Stange <nicstange@gmail.com>
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Cc: stable <stable@vger.kernel.org> # 4.7+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/wireless/broadcom/b43/debugfs.c