diff options
| author |   deraadt <deraadt@openbsd.org> | 2008-10-31 17:15:29 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 2008-10-31 17:15:29 +0000 |
| commit | 270a889ebbe198288b6616fbdb15a3a92a2376e3 (patch) | |
| tree | 1a7f94574fbf06367505ca47455d6b05b91db13d /sys/kern/sys_process.c | |
| parent | checkdirs() walks allproc and calls sleeping functions if directories have (diff) | |
| download | wireguard-openbsd-270a889ebbe198288b6616fbdb15a3a92a2376e3.tar.xz wireguard-openbsd-270a889ebbe198288b6616fbdb15a3a92a2376e3.zip | |
kern_sysctl.c
Diffstat (limited to 'sys/kern/sys_process.c')
| -rw-r--r-- | sys/kern/sys_process.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/sys/kern/sys_process.c b/sys/kern/sys_process.c index 6759fd8c15c..d2245e50948 100644 --- a/sys/kern/sys_process.c +++ b/sys/kern/sys_process.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sys_process.c,v 1.40 2008/09/16 19:41:06 kettenis Exp $ */ +/* $OpenBSD: sys_process.c,v 1.41 2008/10/31 17:15:30 deraadt Exp $ */ /* $NetBSD: sys_process.c,v 1.55 1996/05/15 06:17:47 tls Exp $ */ /*- @@ -589,6 +589,7 @@ process_checkioperm(struct proc *p, struct proc *t) int process_domem(struct proc *curp, struct proc *p, struct uio *uio, int req) { + struct vmspace *vm; int error; vaddr_t addr; vsize_t len; @@ -604,10 +605,14 @@ process_domem(struct proc *curp, struct proc *p, struct uio *uio, int req) if ((p->p_flag & P_WEXIT) || (p->p_vmspace->vm_refcnt < 1)) return(EFAULT); addr = uio->uio_offset; - p->p_vmspace->vm_refcnt++; /* XXX */ - error = uvm_io(&p->p_vmspace->vm_map, uio, + + vm = p->p_vmspace; + vm->vm_refcnt++; + + error = uvm_io(&vm->vm_map, uio, (req == PT_WRITE_I) ? UVM_IO_FIXPROT : 0); - uvmspace_free(p->p_vmspace); + + uvmspace_free(vm); if (error == 0 && req == PT_WRITE_I) pmap_proc_iflush(p, addr, len); |