diff options
Diffstat (limited to 'arch/um/sys-x86_64/signal.c')
| -rw-r--r-- | arch/um/sys-x86_64/signal.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/arch/um/sys-x86_64/signal.c b/arch/um/sys-x86_64/signal.c index a4c46a8af008..9edf114faf79 100644 --- a/arch/um/sys-x86_64/signal.c +++ b/arch/um/sys-x86_64/signal.c @@ -21,7 +21,7 @@ #include "skas.h" static int copy_sc_from_user_skas(struct pt_regs *regs, - struct sigcontext *from) + struct sigcontext __user *from) { int err = 0; @@ -54,7 +54,8 @@ static int copy_sc_from_user_skas(struct pt_regs *regs, return(err); } -int copy_sc_to_user_skas(struct sigcontext *to, struct _fpstate *to_fp, +int copy_sc_to_user_skas(struct sigcontext __user *to, + struct _fpstate __user *to_fp, struct pt_regs *regs, unsigned long mask, unsigned long sp) { @@ -106,10 +107,11 @@ int copy_sc_to_user_skas(struct sigcontext *to, struct _fpstate *to_fp, #endif #ifdef CONFIG_MODE_TT -int copy_sc_from_user_tt(struct sigcontext *to, struct sigcontext *from, +int copy_sc_from_user_tt(struct sigcontext *to, struct sigcontext __user *from, int fpsize) { - struct _fpstate *to_fp, *from_fp; + struct _fpstate *to_fp; + struct _fpstate __user *from_fp; unsigned long sigs; int err; @@ -124,13 +126,14 @@ int copy_sc_from_user_tt(struct sigcontext *to, struct sigcontext *from, return(err); } -int copy_sc_to_user_tt(struct sigcontext *to, struct _fpstate *fp, +int copy_sc_to_user_tt(struct sigcontext __user *to, struct _fpstate __user *fp, struct sigcontext *from, int fpsize, unsigned long sp) { - struct _fpstate *to_fp, *from_fp; + struct _fpstate __user *to_fp; + struct _fpstate *from_fp; int err; - to_fp = (fp ? fp : (struct _fpstate *) (to + 1)); + to_fp = (fp ? fp : (struct _fpstate __user *) (to + 1)); from_fp = from->fpstate; err = copy_to_user(to, from, sizeof(*to)); /* The SP in the sigcontext is the updated one for the signal @@ -158,7 +161,8 @@ static int copy_sc_from_user(struct pt_regs *to, void __user *from) return(ret); } -static int copy_sc_to_user(struct sigcontext *to, struct _fpstate *fp, +static int copy_sc_to_user(struct sigcontext __user *to, + struct _fpstate __user *fp, struct pt_regs *from, unsigned long mask, unsigned long sp) { @@ -169,7 +173,7 @@ static int copy_sc_to_user(struct sigcontext *to, struct _fpstate *fp, struct rt_sigframe { - char *pretcode; + char __user *pretcode; struct ucontext uc; struct siginfo info; }; @@ -188,7 +192,7 @@ int setup_signal_stack_si(unsigned long stack_top, int sig, frame = (struct rt_sigframe __user *) round_down(stack_top - sizeof(struct rt_sigframe), 16) - 8; - frame = (struct rt_sigframe *) ((unsigned long) frame - 128); + frame = (struct rt_sigframe __user *) ((unsigned long) frame - 128); if (!access_ok(VERIFY_WRITE, fp, sizeof(struct _fpstate))) goto out; |