net: Set fput_needed iff FDPUT_FPUT is set

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>

diff --git a/net/socket.c b/net/socket.c
index 3c3d6ab..e08415b 100644 (file)
--- a/net/socket.c
+++ b/net/socket.c
@@ -500,7 +500,7 @@ 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);