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-rw-r--r--include/asm-m68knommu/uaccess.h11
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 */
18static inline int _access_ok(unsigned long addr, unsigned long size) 24static 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/*