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authorJonathan Corbet <corbet@lwn.net>2008-06-20 02:18:25 +0400
committerJonathan Corbet <corbet@lwn.net>2008-07-03 01:06:28 +0400
commitdda6445e219b5d1fd67e9426ce8d23f8fbfaaf66 (patch)
tree7c29d5ab31ebeb63721ca98f5341fcd00b272db9
parentdbfb2df7e9fbd6e5ab8cd9b94b27767fe311fa0d (diff)
downloadlinux-dda6445e219b5d1fd67e9426ce8d23f8fbfaaf66.tar.xz
ecryptfs: fasync BKL pushdown
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
-rw-r--r--fs/ecryptfs/file.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index 2258b8f654a6..24749bf0668f 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -30,6 +30,7 @@
#include <linux/security.h>
#include <linux/compat.h>
#include <linux/fs_stack.h>
+#include <linux/smp_lock.h>
#include "ecryptfs_kernel.h"
/**
@@ -277,9 +278,11 @@ static int ecryptfs_fasync(int fd, struct file *file, int flag)
int rc = 0;
struct file *lower_file = NULL;
+ lock_kernel();
lower_file = ecryptfs_file_to_lower(file);
if (lower_file->f_op && lower_file->f_op->fasync)
rc = lower_file->f_op->fasync(fd, lower_file, flag);
+ unlock_kernel();
return rc;
}