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spl back down in unusual out-of-memory condition in udp_output().

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Obtained from: Stevens, vol. 2, exercise 23.4 (solution p. 1083)
This commit is contained in:
Garrett Wollman 1995-02-16 01:47:36 +00:00
parent 1fdbc7ae46
commit 1c09f77422
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=6482
1 changed files with 3 additions and 1 deletions
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4
sys/netinet/udp_usrreq.c
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@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)udp_usrreq.c 8.4 (Berkeley) 1/21/94
* $Id: udp_usrreq.c,v 1.5 1995/02/16 00:27:46 wollman Exp $
* $Id: udp_usrreq.c,v 1.6 1995/02/16 01:25:06 wollman Exp $
*/
#include <sys/param.h>
@ -420,6 +420,8 @@ udp_output(inp, m, addr, control)
M_PREPEND(m, sizeof(struct udpiphdr), M_DONTWAIT);
if (m == 0) {
error = ENOBUFS;
if (addr)
splx(s);
goto release;
}