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authormiod <miod@openbsd.org>2007-04-11 12:51:51 +0000
committermiod <miod@openbsd.org>2007-04-11 12:51:51 +0000
commite0d503b386f797df142c4f89e897aa2321cf4045 (patch)
tree93a050003d3afdae7eeacc411dd576b952f0c93c /sys/uvm/uvm_unix.c
parentremove duplicate prototype; (diff)
downloadwireguard-openbsd-e0d503b386f797df142c4f89e897aa2321cf4045.tar.xz
wireguard-openbsd-e0d503b386f797df142c4f89e897aa2321cf4045.zip
The return value of uvm_grow() (and previously, grow()) has not been used
in 15 years, make it a void function. ok art@
Diffstat (limited to 'sys/uvm/uvm_unix.c')
-rw-r--r--sys/uvm/uvm_unix.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/sys/uvm/uvm_unix.c b/sys/uvm/uvm_unix.c
index 21ef2c69449..01e29ac9af6 100644
--- a/sys/uvm/uvm_unix.c
+++ b/sys/uvm/uvm_unix.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: uvm_unix.c,v 1.27 2005/07/26 07:11:55 art Exp $ */
+/* $OpenBSD: uvm_unix.c,v 1.28 2007/04/11 12:51:51 miod Exp $ */
/* $NetBSD: uvm_unix.c,v 1.18 2000/09/13 15:00:25 thorpej Exp $ */
/*
@@ -116,7 +116,7 @@ sys_obreak(p, v, retval)
* uvm_grow: enlarge the "stack segment" to include sp.
*/
-int
+void
uvm_grow(p, sp)
struct proc *p;
vaddr_t sp;
@@ -128,7 +128,7 @@ uvm_grow(p, sp)
* For user defined stacks (from sendsig).
*/
if (sp < (vaddr_t)vm->vm_maxsaddr)
- return (0);
+ return;
/*
* For common case of already allocated (from trap).
@@ -138,7 +138,7 @@ uvm_grow(p, sp)
#else
if (sp >= USRSTACK - ctob(vm->vm_ssize))
#endif
- return (1);
+ return;
/*
* Really need to check vs limit and increment stack size if ok.
@@ -146,12 +146,10 @@ uvm_grow(p, sp)
#ifdef MACHINE_STACK_GROWS_UP
si = btoc(sp - USRSTACK) - vm->vm_ssize;
#else
- si = btoc(USRSTACK-sp) - vm->vm_ssize;
+ si = btoc(USRSTACK - sp) - vm->vm_ssize;
#endif
- if (vm->vm_ssize + si > btoc(p->p_rlimit[RLIMIT_STACK].rlim_cur))
- return (0);
- vm->vm_ssize += si;
- return (1);
+ if (vm->vm_ssize + si <= btoc(p->p_rlimit[RLIMIT_STACK].rlim_cur))
+ vm->vm_ssize += si;
}
/*