diff options
| author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2007-07-13 16:02:42 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-07-13 18:40:01 +0200 |
| commit | 5e0373b8e449b0c72495a6d8401c53f678b71988 (patch) | |
| tree | a78f743ba84a62fcde92c9aff614aed69c382cc6 /arch | |
| parent | [MIPS] math-emu minor cleanup (diff) | |
| download | linux-5e0373b8e449b0c72495a6d8401c53f678b71988.tar.xz linux-5e0373b8e449b0c72495a6d8401c53f678b71988.zip | |
[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 '')
| -rw-r--r-- | arch/mips/kernel/branch.c | 5 | ||||
| -rw-r--r-- | arch/mips/kernel/traps.c | 2 | ||||
| -rw-r--r-- | arch/mips/math-emu/dsemul.c | 12 |
3 files changed, 10 insertions, 9 deletions
diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c index 76fd3f22c766..6b5df8bfab85 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 5e9fa83c4ef0..6f3e5c1424d3 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 ea6ba7248489..653e325849e4 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 |