diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2010-04-27 21:09:50 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2010-04-27 21:09:50 +0000 |
| commit | 7932a40e55d1ae730ec807e0e56a1fc201992f16 (patch) | |
| tree | 5da6b502202a66b25ade6f645282d28c03e54069 /sys/arch | |
| parent | a0cf7bdb14281fc63c965bd384018436dfbb0508 (diff) | |
Avoid null-pointer dereference by giving proc0 a place to store its
floating-point registers. Pointed out by Nick Hudson.
ok miod@, jsing@
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/hppa/hppa/machdep.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/arch/hppa/hppa/machdep.c b/sys/arch/hppa/hppa/machdep.c index d3e576d48db..336c29a3b04 100644 --- a/sys/arch/hppa/hppa/machdep.c +++ b/sys/arch/hppa/hppa/machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: machdep.c,v 1.181 2010/04/19 14:05:04 jsing Exp $ */ +/* $OpenBSD: machdep.c,v 1.182 2010/04/27 21:09:49 kettenis Exp $ */ /* * Copyright (c) 1999-2003 Michael Shalayeff @@ -162,6 +162,7 @@ struct user *proc0paddr; long mem_ex_storage[EXTENT_FIXED_STORAGE_SIZE(64) / sizeof(long)]; struct extent *hppa_ex; struct pool hppa_fppl; +struct fpreg proc0fpregs; struct vm_map *exec_map = NULL; struct vm_map *phys_map = NULL; @@ -407,6 +408,7 @@ hppa_init(start) ficacheall(); fdcacheall(); + proc0paddr->u_pcb.pcb_fpregs = &proc0fpregs; pool_init(&hppa_fppl, sizeof(struct fpreg), 16, 0, 0, "hppafp", NULL); } |