mpt: fasync BKL pushdown

It looks like this driver really needs the BKL here.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>

diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c
index e630b50966ec5ba0192a36acb9e22a328e9b5675..c5946560c4e222a48b26e23cc275d78691cee1eb 100644 (file)
--- a/drivers/message/fusion/mptctl.c
+++ b/drivers/message/fusion/mptctl.c
@@ -548,11 +548,15 @@ static int
 mptctl_fasync(int fd, struct file *filep, int mode)
 {
        MPT_ADAPTER     *ioc;
+       int ret;
 
+       lock_kernel();
        list_for_each_entry(ioc, &ioc_list, list)
                ioc->aen_event_read_flag=0;
 
-       return fasync_helper(fd, filep, mode, &async_queue);
+       ret = fasync_helper(fd, filep, mode, &async_queue);
+       unlock_kernel();
+       return ret;
 }
 
 static int