4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Martin Brandenburg <martin@xxxxxxxxxxxx> commit 0afc0decf247f65b7aba666a76a0a68adf4bc435 upstream. set_op_state_purged can delete the op. Signed-off-by: Martin Brandenburg <martin@xxxxxxxxxxxx> Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/orangefs/waitqueue.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/fs/orangefs/waitqueue.c +++ b/fs/orangefs/waitqueue.c @@ -28,10 +28,10 @@ static void orangefs_clean_up_interrupte */ void purge_waiting_ops(void) { - struct orangefs_kernel_op_s *op; + struct orangefs_kernel_op_s *op, *tmp; spin_lock(&orangefs_request_list_lock); - list_for_each_entry(op, &orangefs_request_list, list) { + list_for_each_entry_safe(op, tmp, &orangefs_request_list, list) { gossip_debug(GOSSIP_WAIT_DEBUG, "pvfs2-client-core: purging op tag %llu %s\n", llu(op->tag),