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| author | rwatson <rwatson@FreeBSD.org> | 2004-03-29 17:57:43 +0000 |
|---|---|---|
| committer | rwatson <rwatson@FreeBSD.org> | 2004-03-29 17:57:43 +0000 |
| commit | 4edcdd352b9284794c47da3a22079b8ee0b1c232 (patch) | |
| tree | 9febe822ab6feeb230cb09774de19635148d522f | |
| parent | f31d09974779144113570ae1799c033ad751cf98 (diff) | |
| download | FreeBSD-src-4edcdd352b9284794c47da3a22079b8ee0b1c232.zip FreeBSD-src-4edcdd352b9284794c47da3a22079b8ee0b1c232.tar.gz | |
In sofree(), moving caching of 'head' from 'so->so_head' to later in
the function once it has been determined to be non-NULL to simplify
locking on an earlier return.
| -rw-r--r-- | sys/kern/uipc_socket.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/kern/uipc_socket.c b/sys/kern/uipc_socket.c index 8bd487d..fc7ef8b 100644 --- a/sys/kern/uipc_socket.c +++ b/sys/kern/uipc_socket.c @@ -283,14 +283,14 @@ void sofree(so) struct socket *so; { - struct socket *head = so->so_head; int s; KASSERT(so->so_count == 0, ("socket %p so_count not 0", so)); if (so->so_pcb || (so->so_state & SS_NOFDREF) == 0) return; - if (head != NULL) { + if (so->so_head != NULL) { + struct socket *head = so->so_head; if (so->so_state & SS_INCOMP) { TAILQ_REMOVE(&head->so_incomp, so, so_list); head->so_incqlen--; |
