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Revert "tcp_bpf: properly release resources on error paths"

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This reverts commit 2efcdbef13 which is
commit 68b54aeff8 upstream.

It breaks the android ABI and if this is needed in the future, can be
brought back in an abi-safe way.

Bug: 161946584
Change-Id: Id1fb9acd3af73153dce124f7c4726250ecbc74c1
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman
2023-11-06 14:48:34 +00:00
parent 904cdc97d4
commit a5f2364ea6
1 changed files with 4 additions and 12 deletions
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16
net/ipv4/tcp_bpf.c
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@@ -302,10 +302,8 @@ msg_bytes_ready:
}
data = tcp_msg_wait_data(sk, psock, timeo);
if (data < 0) {
copied = data;
goto unlock;
}
if (data < 0)
return data;
if (data && !sk_psock_queue_empty(psock))
goto msg_bytes_ready;
copied = -EAGAIN;
@@ -316,8 +314,6 @@ out:
tcp_rcv_space_adjust(sk);
if (copied > 0)
__tcp_cleanup_rbuf(sk, copied);
unlock:
release_sock(sk);
sk_psock_put(sk, psock);
return copied;
@@ -352,10 +348,8 @@ msg_bytes_ready:
timeo = sock_rcvtimeo(sk, flags & MSG_DONTWAIT);
data = tcp_msg_wait_data(sk, psock, timeo);
if (data < 0) {
ret = data;
goto unlock;
}
if (data < 0)
return data;
if (data) {
if (!sk_psock_queue_empty(psock))
goto msg_bytes_ready;
@@ -366,8 +360,6 @@ msg_bytes_ready:
copied = -EAGAIN;
}
ret = copied;
unlock:
release_sock(sk);
sk_psock_put(sk, psock);
return ret;