fs/fcntl.c:kill_fasync_rcu() fa_lock must be IRQ-safe

Fix a lockdep-splat-causing regression introduced by commit 989a2979205d
("fasync: RCU and fine grained locking").

kill_fasync() can be called from both process and hard-irq context, so
fa_lock must be taken with IRQs disabled.

Addresses https://bugzilla.kernel.org/show_bug.cgi?id=16230

Reported-by: Sergey Senozhatsky <[email protected]>
Reported-by: Dominik Brodowski <[email protected]>
Tested-by: Dominik Brodowski <[email protected]>
Cc: Maciej Rutecki <[email protected]>
Acked-by: Eric Dumazet <[email protected]>
Cc: Paul E. McKenney <[email protected]>
Cc: Lai Jiangshan <[email protected]>
Cc: "David S. Miller" <[email protected]>
Acked-by: Peter Zijlstra <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

0 files changed, 0 insertions, 0 deletions