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net: Set fput_needed iff FDPUT_FPUT is set

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[ Upstream commit ce787a5a074a86f76f5d3fd804fa78e01bfb9e89 ]

We should fput() file iff FDPUT_FPUT is set. So we should set fput_needed
accordingly.

Fixes: 00e188ef6a7e ("sockfd_lookup_light(): switch to fdget^W^Waway from fget_light")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Miaohe Lin 2020-08-06 19:53:16 +08:00 committed by Greg Kroah-Hartman
parent b200620cad
commit 520f0e37ba
1 changed files with 1 additions and 1 deletions
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2
net/socket.c
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@ -474,7 +474,7 @@ static struct socket *sockfd_lookup_light(int fd, int *err, int *fput_needed)
if (f.file) {
sock = sock_from_file(f.file, err);
if (likely(sock)) {
*fput_needed = f.flags;
*fput_needed = f.flags & FDPUT_FPUT;
return sock;
}
fdput(f);