projects
/
platform
/
kernel
/
linux-amlogic.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
1454526
)
m68k: Allow ioremapping top of memory
author
Philippe De Muyter
<phdm@macqel.be>
Sun, 6 Dec 2009 19:28:41 +0000
(20:28 +0100)
committer
Geert Uytterhoeven
<geert@linux-m68k.org>
Sat, 27 Feb 2010 17:27:13 +0000
(18:27 +0100)
The test in __ioremap to reject memory ranges crossing the 0 boundary
rejects also memory ranges ending at the end of the memory. Fix that.
Signed-off-by: Philippe De Muyter <phdm@macqel.be>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
arch/m68k/mm/kmap.c
patch
|
blob
|
history
diff --git
a/arch/m68k/mm/kmap.c
b/arch/m68k/mm/kmap.c
index
df620ac
..
cf93cdd
100644
(file)
--- a/
arch/m68k/mm/kmap.c
+++ b/
arch/m68k/mm/kmap.c
@@
-116,7
+116,7
@@
void __iomem *__ioremap(unsigned long physaddr, unsigned long size, int cachefla
/*
* Don't allow mappings that wrap..
*/
- if (!size ||
size > physaddr + size
)
+ if (!size ||
physaddr > (unsigned long)(-size)
)
return NULL;
#ifdef CONFIG_AMIGA