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net: kcm: Replace fput with sockfd_put

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The function sockfd_lookup uses fget on the value that is stored in
the file field of the returned structure, so fput should ultimately be
applied to this value.  This can be done directly, but it seems better
to use the specific macro sockfd_put, which does the same thing.

Perform a source code refactoring by using the following semantic patch.

    // <smpl>
    @@
    expression s;
    @@

       s = sockfd_lookup(...)
       ...
    + sockfd_put(s);
    - fput(s->file);
    // </smpl>

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Zheng Yongjun 2020-12-30 17:18:09 +08:00 committed by David S. Miller
parent 8407b23199
commit 8dc879a1bf
1 changed files with 2 additions and 2 deletions
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4
net/kcm/kcmsock.c
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@ -1496,7 +1496,7 @@ static int kcm_attach_ioctl(struct socket *sock, struct kcm_attach *info)
return 0;
out:
fput(csock->file);
sockfd_put(csock);
return err;
}
@ -1644,7 +1644,7 @@ static int kcm_unattach_ioctl(struct socket *sock, struct kcm_unattach *info)
spin_unlock_bh(&mux->lock);
out:
fput(csock->file);
sockfd_put(csock);
return err;
}