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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-12-07 16:35:17 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-12-07 16:35:17 -0500 |
| commit | 21b4e736922f546e0f1aa7b9d6c442f309a2444a (patch) | |
| tree | e1be8645297f8ebe87445251743ebcc52081a20d /arch/i386/mm/fault.c | |
| parent | 34161db6b14d984fb9b06c735b7b42f8803f6851 (diff) | |
| parent | 68380b581383c028830f79ec2670f4a193854aa6 (diff) | |
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/ into merge_linus
Diffstat (limited to 'arch/i386/mm/fault.c')
| -rw-r--r-- | arch/i386/mm/fault.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/i386/mm/fault.c b/arch/i386/mm/fault.c index 2581575786c..aaaa4d225f7 100644 --- a/arch/i386/mm/fault.c +++ b/arch/i386/mm/fault.c @@ -22,9 +22,9 @@ #include <linux/highmem.h> #include <linux/module.h> #include <linux/kprobes.h> +#include <linux/uaccess.h> #include <asm/system.h> -#include <asm/uaccess.h> #include <asm/desc.h> #include <asm/kdebug.h> #include <asm/segment.h> @@ -167,7 +167,7 @@ static inline unsigned long get_segment_eip(struct pt_regs *regs, static int __is_prefetch(struct pt_regs *regs, unsigned long addr) { unsigned long limit; - unsigned long instr = get_segment_eip (regs, &limit); + unsigned char *instr = (unsigned char *)get_segment_eip (regs, &limit); int scan_more = 1; int prefetch = 0; int i; @@ -177,9 +177,9 @@ static int __is_prefetch(struct pt_regs *regs, unsigned long addr) unsigned char instr_hi; unsigned char instr_lo; - if (instr > limit) + if (instr > (unsigned char *)limit) break; - if (__get_user(opcode, (unsigned char __user *) instr)) + if (probe_kernel_address(instr, opcode)) break; instr_hi = opcode & 0xf0; @@ -204,9 +204,9 @@ static int __is_prefetch(struct pt_regs *regs, unsigned long addr) case 0x00: /* Prefetch instruction is 0x0F0D or 0x0F18 */ scan_more = 0; - if (instr > limit) + if (instr > (unsigned char *)limit) break; - if (__get_user(opcode, (unsigned char __user *) instr)) + if (probe_kernel_address(instr, opcode)) break; prefetch = (instr_lo == 0xF) && (opcode == 0x0D || opcode == 0x18); |