[NET]: dont use strlen() but the result from a prior sprintf()

Small patch to save an unecessary call to strlen() : sprintf() gave us
the length, just trust it.

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

1 files changed, 1 insertions, 2 deletions

diff --git a/net/socket.c b/net/socket.c
index 38729af09461..6f2a17881972 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -383,9 +383,8 @@ int sock_map_fd(struct socket *sock)
                         goto out;
                 }
 
-                sprintf(name, "[%lu]", SOCK_INODE(sock)->i_ino);
+                this.len = sprintf(name, "[%lu]", SOCK_INODE(sock)->i_ino);
                 this.name = name;
-                this.len = strlen(name);
                 this.hash = SOCK_INODE(sock)->i_ino;
 
                 file->f_dentry = d_alloc(sock_mnt->mnt_sb->s_root, &this);