[NET]: Use file->private_data to get socket pointer.

Avoid touching file->f_dentry on sockets, since file->private_data
directly gives us the socket pointer.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 4 deletions

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index ba997095f08f..8690f171c1ef 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1535,8 +1535,7 @@ static unsigned int packet_poll(struct file * file, struct socket *sock,
 static void packet_mm_open(struct vm_area_struct *vma)
 {
         struct file *file = vma->vm_file;
-        struct inode *inode = file->f_dentry->d_inode;
-        struct socket * sock = SOCKET_I(inode);
+        struct socket * sock = file->private_data;
         struct sock *sk = sock->sk;
         
         if (sk)
@@ -1546,8 +1545,7 @@ static void packet_mm_open(struct vm_area_struct *vma)
 static void packet_mm_close(struct vm_area_struct *vma)
 {
         struct file *file = vma->vm_file;
-        struct inode *inode = file->f_dentry->d_inode;
-        struct socket * sock = SOCKET_I(inode);
+        struct socket * sock = file->private_data;
         struct sock *sk = sock->sk;
         
         if (sk)