diff options
Diffstat (limited to 'net/socket.c')
| -rw-r--r-- | net/socket.c | 25 |
1 files changed, 8 insertions, 17 deletions
diff --git a/net/socket.c b/net/socket.c index 2df83c0bfde9..05f361faec45 100644 --- a/net/socket.c +++ b/net/socket.c @@ -406,8 +406,10 @@ struct file *sock_alloc_file(struct socket *sock, int flags, const char *dname) name.len = strlen(name.name); } path.dentry = d_alloc_pseudo(sock_mnt->mnt_sb, &name); - if (unlikely(!path.dentry)) + if (unlikely(!path.dentry)) { + sock_release(sock); return ERR_PTR(-ENOMEM); + } path.mnt = mntget(sock_mnt); d_instantiate(path.dentry, SOCK_INODE(sock)); @@ -415,9 +417,11 @@ struct file *sock_alloc_file(struct socket *sock, int flags, const char *dname) file = alloc_file(&path, FMODE_READ | FMODE_WRITE, &socket_file_ops); if (IS_ERR(file)) { - /* drop dentry, keep inode */ + /* drop dentry, keep inode for a bit */ ihold(d_inode(path.dentry)); path_put(&path); + /* ... and now kill it properly */ + sock_release(sock); return file; } @@ -1330,19 +1334,9 @@ SYSCALL_DEFINE3(socket, int, family, int, type, int, protocol) retval = sock_create(family, type, protocol, &sock); if (retval < 0) - goto out; - - retval = sock_map_fd(sock, flags & (O_CLOEXEC | O_NONBLOCK)); - if (retval < 0) - goto out_release; - -out: - /* It may be already another descriptor 8) Not kernel problem. */ - return retval; + return retval; -out_release: - sock_release(sock); - return retval; + return sock_map_fd(sock, flags & (O_CLOEXEC | O_NONBLOCK)); } /* @@ -1412,7 +1406,6 @@ SYSCALL_DEFINE4(socketpair, int, family, int, type, int, protocol, newfile1 = sock_alloc_file(sock1, flags, NULL); if (IS_ERR(newfile1)) { err = PTR_ERR(newfile1); - sock_release(sock1); sock_release(sock2); goto out; } @@ -1420,7 +1413,6 @@ SYSCALL_DEFINE4(socketpair, int, family, int, type, int, protocol, newfile2 = sock_alloc_file(sock2, flags, NULL); if (IS_ERR(newfile2)) { err = PTR_ERR(newfile2); - sock_release(sock2); fput(newfile1); goto out; } @@ -1549,7 +1541,6 @@ SYSCALL_DEFINE4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr, if (IS_ERR(newfile)) { err = PTR_ERR(newfile); put_unused_fd(newfd); - sock_release(newsock); goto out_put; } |
