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Remove the errno argument from unp_drop().

Browse Source 
While there, add a comment to clarify that ECONNRESET should always be
returned for POSIX conformance.

Suggested by:	Steven Hartland
This commit is contained in:
Ed Schouten 2016-02-26 12:46:34 +00:00
parent 2445e7c84e
commit afc055d90f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=296092
1 changed files with 10 additions and 5 deletions
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15
sys/kern/uipc_usrreq.c
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@ -280,7 +280,7 @@ static void unp_disconnect(struct unpcb *unp, struct unpcb *unp2);
static void unp_dispose(struct mbuf *);
static void unp_dispose_so(struct socket *so);
static void unp_shutdown(struct unpcb *);
static void unp_drop(struct unpcb *, int);
static void unp_drop(struct unpcb *);
static void unp_gc(__unused void *, int);
static void unp_scan(struct mbuf *, void (*)(struct filedescent **, int));
static void unp_discard(struct file *);
@ -354,7 +354,7 @@ uipc_abort(struct socket *so)
unp2 = unp->unp_conn;
if (unp2 != NULL) {
UNP_PCB_LOCK(unp2);
unp_drop(unp2, ECONNRESET);
unp_drop(unp2);
UNP_PCB_UNLOCK(unp2);
}
UNP_PCB_UNLOCK(unp);
@ -682,7 +682,7 @@ uipc_detach(struct socket *so)
struct unpcb *ref = LIST_FIRST(&unp->unp_refs);
UNP_PCB_LOCK(ref);
unp_drop(ref, ECONNRESET);
unp_drop(ref);
UNP_PCB_UNLOCK(ref);
}
local_unp_rights = unp_rights;
@ -1698,7 +1698,7 @@ unp_shutdown(struct unpcb *unp)
}
static void
unp_drop(struct unpcb *unp, int errno)
unp_drop(struct unpcb *unp)
{
struct socket *so = unp->unp_socket;
struct unpcb *unp2;
@ -1706,7 +1706,12 @@ unp_drop(struct unpcb *unp, int errno)
UNP_LINK_WLOCK_ASSERT();
UNP_PCB_LOCK_ASSERT(unp);
so->so_error = errno;
/*
* Regardless of whether the socket's peer dropped the connection
* with this socket by aborting or disconnecting, POSIX requires
* that ECONNRESET is returned.
*/
so->so_error = ECONNRESET;
unp2 = unp->unp_conn;
if (unp2 == NULL)
return;