diff options
| author | Christoph Hellwig <hch@hera.kernel.org> | 2005-05-27 01:16:24 -0700 |
|---|---|---|
| committer | Christoph Hellwig <hch@melbourne.sgi.com> | 2005-05-27 01:16:24 -0700 |
| commit | b19312c4c8f3f84da57bba01d45549df1cf10dcd (patch) | |
| tree | 1c34ce89be6b4e257bc03026d0268deb17727044 /arch/i386/mm/ioremap.c | |
| parent | d3870398fafd4911bd84573b78be4b6b762f32b0 (diff) | |
| parent | 4ec5240ec367a592834385893200dd4fb369354c (diff) | |
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'arch/i386/mm/ioremap.c')
| -rw-r--r-- | arch/i386/mm/ioremap.c | 10 |
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); } |