diff options
| author | John Baldwin <jhb@FreeBSD.org> | 2001-01-23 20:52:50 +0000 |
|---|---|---|
| committer | John Baldwin <jhb@FreeBSD.org> | 2001-01-23 20:52:50 +0000 |
| commit | 07a1f31cd091fb96143c90b1a7886e12e19c1207 (patch) | |
| tree | 3021db7d4f8bd9fdadd64ab174654a6f3bc54ffa /sys/compat | |
| parent | fb29c3e0838171ce83aade444ee73f733b51a161 (diff) | |
Notes
Diffstat (limited to 'sys/compat')
| -rw-r--r-- | sys/compat/pecoff/imgact_pecoff.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/sys/compat/pecoff/imgact_pecoff.c b/sys/compat/pecoff/imgact_pecoff.c index 6dff6ba5940a..88c33420c04a 100644 --- a/sys/compat/pecoff/imgact_pecoff.c +++ b/sys/compat/pecoff/imgact_pecoff.c @@ -162,7 +162,7 @@ static int pecoff_coredump(register struct proc * p, register struct vnode * vp, off_t limit) { - register struct ucred *cred = p->p_ucred; + register struct ucred *cred; register struct vmspace *vm = p->p_vmspace; int error; #ifdef PECOFF_DEBUG @@ -184,6 +184,10 @@ pecoff_coredump(register struct proc * p, register struct vnode * vp, ent = &map->header; printf("%p %p %p\n", ent, ent->prev, ent->next); #endif + PROC_LOCK(p); + cred = p->p_ucred; + crhold(cred); + PROC_UNLOCK(p); error = cpu_coredump(p, vp, cred); if (error == 0) error = vn_rdwr(UIO_WRITE, vp, vm->vm_daddr, @@ -195,6 +199,7 @@ pecoff_coredump(register struct proc * p, register struct vnode * vp, round_page(ctob(vm->vm_ssize)), (off_t) ctob(UPAGES) + ctob(vm->vm_dsize), UIO_USERSPACE, IO_NODELOCKED | IO_UNIT, cred, (int *) NULL, p); + crfree(cred); return (error); } @@ -600,10 +605,15 @@ pecoff_read_from(p, vp, pos, buf, siz) { int error; size_t resid; + struct ucred *uc; + PROC_LOCK(p); + uc = p->p_ucred; + crhold(uc); + PROC_UNLOCK(p); error = vn_rdwr(UIO_READ, vp, buf, siz, pos, - UIO_SYSSPACE, IO_NODELOCKED, p->p_ucred, - &resid, p); + UIO_SYSSPACE, IO_NODELOCKED, uc, &resid, p); + crfree(uc); if (error) return error; |