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authorchl <chl@openbsd.org>2016-03-29 12:04:26 +0000
committerchl <chl@openbsd.org>2016-03-29 12:04:26 +0000
commit1c8081428201884cf21893c373c9830641d862d4 (patch)
tree632cf1cde1b1b549693fa24f8aefa5ab58c21c8e
parentremove dead stores and unused variables (diff)
downloadwireguard-openbsd-1c8081428201884cf21893c373c9830641d862d4.tar.xz
wireguard-openbsd-1c8081428201884cf21893c373c9830641d862d4.zip
Remove dead assignments and now unused variables.
Found by LLVM/Clang Static Analyzer. ok mpi@ stefan@
-rw-r--r--sys/uvm/uvm_anon.c4
-rw-r--r--sys/uvm/uvm_fault.c5
-rw-r--r--sys/uvm/uvm_mmap.c5
3 files changed, 3 insertions, 11 deletions
diff --git a/sys/uvm/uvm_anon.c b/sys/uvm/uvm_anon.c
index 2b17264b6ee..e245ecf623c 100644
--- a/sys/uvm/uvm_anon.c
+++ b/sys/uvm/uvm_anon.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: uvm_anon.c,v 1.44 2015/08/21 16:04:35 visa Exp $ */
+/* $OpenBSD: uvm_anon.c,v 1.45 2016/03/29 12:04:26 chl Exp $ */
/* $NetBSD: uvm_anon.c,v 1.10 2000/11/25 06:27:59 chs Exp $ */
/*
@@ -148,7 +148,6 @@ boolean_t
uvm_anon_pagein(struct vm_anon *anon)
{
struct vm_page *pg;
- struct uvm_object *uobj;
int rv;
rv = uvmfault_anonget(NULL, NULL, anon);
@@ -177,7 +176,6 @@ uvm_anon_pagein(struct vm_anon *anon)
* mark it as dirty, clear its swslot and un-busy it.
*/
pg = anon->an_page;
- uobj = pg->uobject;
uvm_swap_free(anon->an_swslot, 1);
anon->an_swslot = 0;
atomic_clearbits_int(&pg->pg_flags, PG_CLEAN);
diff --git a/sys/uvm/uvm_fault.c b/sys/uvm/uvm_fault.c
index 99d270ccdee..a6858c3e157 100644
--- a/sys/uvm/uvm_fault.c
+++ b/sys/uvm/uvm_fault.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: uvm_fault.c,v 1.88 2016/03/07 18:44:00 naddy Exp $ */
+/* $OpenBSD: uvm_fault.c,v 1.89 2016/03/29 12:04:26 chl Exp $ */
/* $NetBSD: uvm_fault.c,v 1.51 2000/08/06 00:22:53 thorpej Exp $ */
/*
@@ -1254,11 +1254,8 @@ int
uvm_fault_wire(vm_map_t map, vaddr_t start, vaddr_t end, vm_prot_t access_type)
{
vaddr_t va;
- pmap_t pmap;
int rv;
- pmap = vm_map_pmap(map);
-
/*
* now fault it in a page at a time. if the fault fails then we have
* to undo what we have done. note that in uvm_fault PROT_NONE
diff --git a/sys/uvm/uvm_mmap.c b/sys/uvm/uvm_mmap.c
index f1daa09b130..a04203a78a4 100644
--- a/sys/uvm/uvm_mmap.c
+++ b/sys/uvm/uvm_mmap.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: uvm_mmap.c,v 1.123 2016/03/09 16:45:43 deraadt Exp $ */
+/* $OpenBSD: uvm_mmap.c,v 1.124 2016/03/29 12:04:26 chl Exp $ */
/* $NetBSD: uvm_mmap.c,v 1.49 2001/02/18 21:19:08 chs Exp $ */
/*
@@ -124,7 +124,6 @@ sys_mquery(struct proc *p, void *v, register_t *retval)
syscallarg(off_t) pos;
} */ *uap = v;
struct file *fp;
- struct uvm_object *uobj;
voff_t uoff;
int error;
vaddr_t vaddr;
@@ -147,11 +146,9 @@ sys_mquery(struct proc *p, void *v, register_t *retval)
if (fd >= 0) {
if ((error = getvnode(p, fd, &fp)) != 0)
return (error);
- uobj = &((struct vnode *)fp->f_data)->v_uvm->u_obj;
uoff = SCARG(uap, pos);
} else {
fp = NULL;
- uobj = NULL;
uoff = UVM_UNKNOWN_OFFSET;
}