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authorAtsushi Nemoto <anemo@mba.ocn.ne.jp>2007-07-13 23:02:42 +0900
committerRalf Baechle <ralf@linux-mips.org>2007-07-13 17:40:01 +0100
commit5e0373b8e449b0c72495a6d8401c53f678b71988 (patch)
treea78f743ba84a62fcde92c9aff614aed69c382cc6 /arch
parente70dfc10b99ebffa1f464b1b9290df2589284f70 (diff)
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[MIPS] Add some __user tags
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/kernel/branch.c5
-rw-r--r--arch/mips/kernel/traps.c2
-rw-r--r--arch/mips/math-emu/dsemul.c12
3 files changed, 10 insertions, 9 deletions
diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c
index 76fd3f2..6b5df8b 100644
--- a/arch/mips/kernel/branch.c
+++ b/arch/mips/kernel/branch.c
@@ -22,7 +22,8 @@
*/
int __compute_return_epc(struct pt_regs *regs)
{
- unsigned int *addr, bit, fcr31, dspcontrol;
+ unsigned int __user *addr;
+ unsigned int bit, fcr31, dspcontrol;
long epc;
union mips_instruction insn;
@@ -33,7 +34,7 @@ int __compute_return_epc(struct pt_regs *regs)
/*
* Read the instruction
*/
- addr = (unsigned int *) epc;
+ addr = (unsigned int __user *) epc;
if (__get_user(insn.word, addr)) {
force_sig(SIGSEGV, current);
return -EFAULT;
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 5e9fa83..6f3e5c1 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -131,7 +131,7 @@ static void show_stacktrace(struct task_struct *task, struct pt_regs *regs)
const int field = 2 * sizeof(unsigned long);
long stackdata;
int i;
- unsigned long *sp = (unsigned long *)regs->regs[29];
+ unsigned long __user *sp = (unsigned long __user *)regs->regs[29];
printk("Stack :");
i = 0;
diff --git a/arch/mips/math-emu/dsemul.c b/arch/mips/math-emu/dsemul.c
index ea6ba72..653e325 100644
--- a/arch/mips/math-emu/dsemul.c
+++ b/arch/mips/math-emu/dsemul.c
@@ -54,8 +54,7 @@ struct emuframe {
int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc)
{
extern asmlinkage void handle_dsemulret(void);
- mips_instruction *dsemul_insns;
- struct emuframe *fr;
+ struct emuframe __user *fr;
int err;
if (ir == 0) { /* a nop is easy */
@@ -87,8 +86,8 @@ int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc)
*/
/* Ensure that the two instructions are in the same cache line */
- dsemul_insns = (mips_instruction *) ((regs->regs[29] - sizeof(struct emuframe)) & ~0x7);
- fr = (struct emuframe *) dsemul_insns;
+ fr = (struct emuframe __user *)
+ ((regs->regs[29] - sizeof(struct emuframe)) & ~0x7);
/* Verify that the stack pointer is not competely insane */
if (unlikely(!access_ok(VERIFY_WRITE, fr, sizeof(struct emuframe))))
@@ -113,12 +112,13 @@ int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc)
int do_dsemulret(struct pt_regs *xcp)
{
- struct emuframe *fr;
+ struct emuframe __user *fr;
unsigned long epc;
u32 insn, cookie;
int err = 0;
- fr = (struct emuframe *) (xcp->cp0_epc - sizeof(mips_instruction));
+ fr = (struct emuframe __user *)
+ (xcp->cp0_epc - sizeof(mips_instruction));
/*
* If we can't even access the area, something is very wrong, but we'll