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tile: avoid struct vm_struct leak

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If ioreamp_prot() fails in ioremap_page_range() due to kernel memory
exhaustion, we previously would leak a struct vm_struct.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
This commit is contained in:
Chris Metcalf 2013-08-07 15:42:34 -04:00
parent 4a556f4f56
commit fad052dc4b
1 changed files with 1 additions and 1 deletions
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2
arch/tile/mm/pgtable.c
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@ -568,7 +568,7 @@ void __iomem *ioremap_prot(resource_size_t phys_addr, unsigned long size,
addr = area->addr;
if (ioremap_page_range((unsigned long)addr, (unsigned long)addr + size,
phys_addr, pgprot)) {
remove_vm_area((void *)(PAGE_MASK & (unsigned long) addr));
free_vm_area(area);
return NULL;
}
return (__force void __iomem *) (offset + (char *)addr);