Commit fad052dc authored by Chris Metcalf's avatar Chris Metcalf
Browse files

tile: avoid struct vm_struct leak 



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

Signed-off-by: default avatarChris Metcalf <cmetcalf@tilera.com>
parent 4a556f4f

arch/tile/mm/pgtable.c

+1 −1
Original line number Diff line number Diff line
@@ -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);