Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c924aff853bdc1c9841dd22440f931fba5ab3a59
Commit: c924aff853bdc1c9841dd22440f931fba5ab3a59
Parent: 5a059f1ac0ed0c937257027aed5da50241f5ec2b
Author: Russell King <[EMAIL PROTECTED]>
AuthorDate: Sun Dec 17 23:29:57 2006 +0000
Committer: Russell King <[EMAIL PROTECTED]>
CommitDate: Sun Dec 17 23:29:57 2006 +0000
[ARM] Fix BUG()s in ioremap() code
We need to ensure that the area size is page aligned so that
remap_area_pte() doesn't increment the address past the end of
the desired area.
Signed-off-by: Russell King <[EMAIL PROTECTED]>
---
arch/arm/mm/ioremap.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index 3bb3951..251685f 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -292,6 +292,8 @@ __ioremap_pfn(unsigned long pfn, unsigned long offset,
size_t size,
if (pfn >= 0x100000 && (__pfn_to_phys(pfn) & ~SUPERSECTION_MASK))
return NULL;
+ size = PAGE_ALIGN(size);
+
area = get_vm_area(size, VM_IOREMAP);
if (!area)
return NULL;
-
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