mirror/freebsd
1
0
Fork 0
mirror of https://git.FreeBSD.org/src.git synced 2024-12-15 10:17:20 +00:00
Code Issues Releases Activity

As described by the submitter:

Browse Source 
... fix a bug with orecvfrom() or recvfrom() called with
the MSG_COMPAT flag on kernels compiled with the COMPAT_43 option.
The symptom is that the fromaddr is not correctly returned.

This affects the Linux emulator.

Submitted by:	pb@fasterix.freenix.org (Pierre Beyssac)
This commit is contained in:
Mike Smith 1997-12-14 03:15:21 +00:00
parent 8256655132
commit 5af7db2b73
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=31710
1 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
sys/kern/uipc_syscalls.c
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)uipc_syscalls.c 8.4 (Berkeley) 2/21/94
* $Id: uipc_syscalls.c,v 1.31 1997/10/12 20:24:17 phk Exp $
* $Id: uipc_syscalls.c,v 1.32 1997/11/06 19:29:26 phk Exp $
*/
#include "opt_ktrace.h"
@ -700,15 +700,16 @@ recvit(p, s, mp, namelenp)
if (len <= 0 || fromsa == 0)
len = 0;
else {
#ifndef MIN
#define MIN(a,b) ((a)>(b)?(b):(a))
#endif
/* save sa_len before it is destroyed by MSG_COMPAT */
len = MIN(len, fromsa->sa_len);
#ifdef COMPAT_OLDSOCK
if (mp->msg_flags & MSG_COMPAT)
((struct osockaddr *)fromsa)->sa_family =
fromsa->sa_family;
#endif
#ifndef MIN
#define MIN(a,b) ((a)>(b)?(b):(a))
#endif
len = MIN(len, fromsa->sa_len);
error = copyout(fromsa,
(caddr_t)mp->msg_name, (unsigned)len);
if (error)