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Allow kern.ipc.maxsockets to be set to current value without error

Browse Source 
Normally setting kern.ipc.maxsockets returns EINVAL if the new value
is not greater than the previous value. This can cause spurious
error messages when sysctl.conf is processed multiple times, or when
automation systems try to ensure the sysctl is set to the correct
value. If the value is unchanged, then just do nothing.

PR:	243532
Reviewed by:	markj
MFC after:	3 days
Sponsored by:	Modirum MDPay
Sponsored by:	Klara Inc.
Differential Revision:	https://reviews.freebsd.org/D32775
This commit is contained in:
Allan Jude 2021-11-04 12:55:33 +00:00
parent 9c0287e092
commit c441592a0e
1 changed files with 1 additions and 1 deletions
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2
sys/kern/uipc_socket.c
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@ -364,7 +364,7 @@ sysctl_maxsockets(SYSCTL_HANDLER_ARGS)
newmaxsockets = maxsockets;
error = sysctl_handle_int(oidp, &newmaxsockets, 0, req);
if (error == 0 && req->newptr) {
if (error == 0 && req->newptr && newmaxsockets != maxsockets) {
if (newmaxsockets > maxsockets &&
newmaxsockets <= maxfiles) {
maxsockets = newmaxsockets;