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reorder alloc_fd/attach_fd in socketpair()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
parent
732741274d
commit
198de4d7ac
1 changed files with 14 additions and 17 deletions
31
net/socket.c
31
net/socket.c
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@ -1396,23 +1396,30 @@ SYSCALL_DEFINE4(socketpair, int, family, int, type, int, protocol,
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goto out_release_both;
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}
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fd2 = sock_alloc_fd(&newfile2, flags & O_CLOEXEC);
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if (unlikely(fd2 < 0)) {
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err = fd2;
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err = sock_attach_fd(sock1, newfile1, flags & O_NONBLOCK);
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if (unlikely(err < 0)) {
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put_filp(newfile1);
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put_unused_fd(fd1);
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goto out_release_both;
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}
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err = sock_attach_fd(sock1, newfile1, flags & O_NONBLOCK);
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if (unlikely(err < 0)) {
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goto out_fd2;
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fd2 = sock_alloc_fd(&newfile2, flags & O_CLOEXEC);
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if (unlikely(fd2 < 0)) {
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err = fd2;
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fput(newfile1);
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put_unused_fd(fd1);
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sock_release(sock2);
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goto out;
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}
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err = sock_attach_fd(sock2, newfile2, flags & O_NONBLOCK);
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if (unlikely(err < 0)) {
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put_filp(newfile2);
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put_unused_fd(fd2);
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fput(newfile1);
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goto out_fd1;
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put_unused_fd(fd1);
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sock_release(sock2);
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goto out;
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}
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audit_fd_pair(fd1, fd2);
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@ -1438,16 +1445,6 @@ out_release_1:
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sock_release(sock1);
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out:
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return err;
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out_fd2:
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put_filp(newfile1);
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sock_release(sock1);
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out_fd1:
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put_filp(newfile2);
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sock_release(sock2);
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put_unused_fd(fd1);
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put_unused_fd(fd2);
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goto out;
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}
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/*
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