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| author | J. Bruce Fields <bfields@citi.umich.edu> | 2010-03-09 17:22:08 -0500 |
|---|---|---|
| committer | J. Bruce Fields <bfields@citi.umich.edu> | 2010-03-09 17:22:08 -0500 |
| commit | e739cf1da48e841bc5d744a99764c1a668b4bdd2 (patch) | |
| tree | 1d39318bbbcdd66ad8cd34823ad9befb7af08b1f /arch/m68k/mm/kmap.c | |
| parent | e7b184f199fd3c80b618ec8244cbda70857d2779 (diff) | |
| parent | 57d54889cd00db2752994b389ba714138652e60c (diff) | |
Merge commit 'v2.6.34-rc1' into for-2.6.35-incoming
Diffstat (limited to 'arch/m68k/mm/kmap.c')
| -rw-r--r-- | arch/m68k/mm/kmap.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/m68k/mm/kmap.c b/arch/m68k/mm/kmap.c index df620ac2a29..69345849454 100644 --- a/arch/m68k/mm/kmap.c +++ b/arch/m68k/mm/kmap.c @@ -99,8 +99,7 @@ static inline void free_io_area(void *addr) #endif /* - * Map some physical address range into the kernel address space. The - * code is copied and adapted from map_chunk(). + * Map some physical address range into the kernel address space. */ /* Rewritten by Andreas Schwab to remove all races. */ @@ -116,7 +115,7 @@ 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 |