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authorDave Kleikamp <shaggy@austin.ibm.com>2005-06-02 12:12:57 -0500
committerDave Kleikamp <shaggy@austin.ibm.com>2005-06-02 12:12:57 -0500
commit7078253c085c037c070ca4e8bc9e9e7f18aa1e84 (patch)
treeeaf56c1a77b0de6ee82e23cee4433b2c4a47e67e /arch/i386/mm/ioremap.c
parent259692bd5a2b2c2d351dd90748ba4126bc2a21b9 (diff)
parent1e86d1c648508fd50e6c9960576b87906a7906ad (diff)
Merge with /home/shaggy/git/linus-clean/
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Diffstat (limited to 'arch/i386/mm/ioremap.c')
-rw-r--r--arch/i386/mm/ioremap.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/i386/mm/ioremap.c b/arch/i386/mm/ioremap.c
index db06f739991..ab542792b27 100644
--- a/arch/i386/mm/ioremap.c
+++ b/arch/i386/mm/ioremap.c
@@ -238,19 +238,21 @@ void iounmap(volatile void __iomem *addr)
addr < phys_to_virt(ISA_END_ADDRESS))
return;
- p = remove_vm_area((void *) (PAGE_MASK & (unsigned long __force) addr));
+ write_lock(&vmlist_lock);
+ p = __remove_vm_area((void *) (PAGE_MASK & (unsigned long __force) addr));
if (!p) {
- printk("__iounmap: bad address %p\n", addr);
- return;
+ printk("iounmap: bad address %p\n", addr);
+ goto out_unlock;
}
if ((p->flags >> 20) && p->phys_addr < virt_to_phys(high_memory) - 1) {
- /* p->size includes the guard page, but cpa doesn't like that */
change_page_attr(virt_to_page(__va(p->phys_addr)),
p->size >> PAGE_SHIFT,
PAGE_KERNEL);
global_flush_tlb();
}
+out_unlock:
+ write_unlock(&vmlist_lock);
kfree(p);
}