diff options
| author | Jason Wright <jason@cvs.openbsd.org> | 2000-06-13 05:15:20 +0000 |
|---|---|---|
| committer | Jason Wright <jason@cvs.openbsd.org> | 2000-06-13 05:15:20 +0000 |
| commit | dd8e6169744a0ffcb6f0f49abffbdec0b139ce12 (patch) | |
| tree | 154f0c4e7caa50319561570a9283d41bb2b1cfb6 | |
| parent | d64777741686106171c3d0c66cc9b2150a2b09e1 (diff) | |
put an upperbound on queue length
| -rw-r--r-- | sys/dev/pci/ubsec.c | 10 | ||||
| -rw-r--r-- | sys/dev/pci/ubsecvar.h | 7 |
2 files changed, 15 insertions, 2 deletions
diff --git a/sys/dev/pci/ubsec.c b/sys/dev/pci/ubsec.c index 830fcb0a858..feaa133fca8 100644 --- a/sys/dev/pci/ubsec.c +++ b/sys/dev/pci/ubsec.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ubsec.c,v 1.8 2000/06/13 00:38:25 deraadt Exp $ */ +/* $OpenBSD: ubsec.c,v 1.9 2000/06/13 05:15:19 jason Exp $ */ /* * Copyright (c) 2000 Jason L. Wright (jason@thought.net) @@ -336,6 +336,14 @@ ubsec_process(crp) sc = ubsec_cd.cd_devs[card]; + s = splnet(); + if (sc->sc_nqueue == UBS_MAX_NQUEUE) { + splx(s); + err = ENOMEM; + goto errout; + } + splx(s); + q = (struct ubsec_q *)malloc(sizeof(struct ubsec_q), M_DEVBUF, M_NOWAIT); if (q == NULL) { diff --git a/sys/dev/pci/ubsecvar.h b/sys/dev/pci/ubsecvar.h index 262815ed34e..031b8170642 100644 --- a/sys/dev/pci/ubsecvar.h +++ b/sys/dev/pci/ubsecvar.h @@ -1,4 +1,4 @@ -/* $OpenBSD: ubsecvar.h,v 1.3 2000/06/12 19:50:35 deraadt Exp $ */ +/* $OpenBSD: ubsecvar.h,v 1.4 2000/06/13 05:15:19 jason Exp $ */ /* * Copyright (c) 2000 Theo de Raadt @@ -60,3 +60,8 @@ struct ubsec_q { int q_dst_packl[MAX_SCATTER]; int q_dst_npa, q_dst_l; }; + +/* Maximum queue length */ +#ifndef UBS_MAX_NQUEUE +#define UBS_MAX_NQUEUE 24 +#endif |