diff options
Diffstat (limited to 'include/asm-m68knommu/uaccess.h')
-rw-r--r-- | include/asm-m68knommu/uaccess.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/include/asm-m68knommu/uaccess.h b/include/asm-m68knommu/uaccess.h index 62b29b10bc6d..9ed9169a8849 100644 --- a/include/asm-m68knommu/uaccess.h +++ b/include/asm-m68knommu/uaccess.h | |||
@@ -15,12 +15,15 @@ | |||
15 | 15 | ||
16 | #define access_ok(type,addr,size) _access_ok((unsigned long)(addr),(size)) | 16 | #define access_ok(type,addr,size) _access_ok((unsigned long)(addr),(size)) |
17 | 17 | ||
18 | /* | ||
19 | * It is not enough to just have access_ok check for a real RAM address. | ||
20 | * This would disallow the case of code/ro-data running XIP in flash/rom. | ||
21 | * Ideally we would check the possible flash ranges too, but that is | ||
22 | * currently not so easy. | ||
23 | */ | ||
18 | static inline int _access_ok(unsigned long addr, unsigned long size) | 24 | static inline int _access_ok(unsigned long addr, unsigned long size) |
19 | { | 25 | { |
20 | extern unsigned long memory_start, memory_end; | 26 | return 1; |
21 | |||
22 | return (((addr >= memory_start) && (addr+size < memory_end)) || | ||
23 | (is_in_rom(addr) && is_in_rom(addr+size))); | ||
24 | } | 27 | } |
25 | 28 | ||
26 | /* | 29 | /* |