Author: vmaffione Date: Wed Nov 27 18:52:01 2019 New Revision: 355133 URL: https://svnweb.freebsd.org/changeset/base/355133
Log: MFC r354867: netmap: check if we already ran mmap before we attempt it Submitted by: [email protected] Reviewed by: vmaffione Differential Revision: https://reviews.freebsd.org/D22390 Modified: stable/12/sys/net/netmap_user.h Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/net/netmap_user.h ============================================================================== --- stable/12/sys/net/netmap_user.h Wed Nov 27 16:52:46 2019 (r355132) +++ stable/12/sys/net/netmap_user.h Wed Nov 27 18:52:01 2019 (r355133) @@ -981,7 +981,8 @@ nm_close(struct nm_desc *d) static int nm_mmap(struct nm_desc *d, const struct nm_desc *parent) { - //XXX TODO: check if mmap is already done + if (d->done_mmap) + return 0; if (IS_NETMAP_DESC(parent) && parent->mem && parent->req.nr_arg2 == d->req.nr_arg2) { _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "[email protected]"
