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sparc32: Fix inverted invalid_frame_pointer checks on sigreturns 

Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andreas Larsson 2016-11-09 10:43:05 +01:00 committed by David S. Miller
parent 74a5ed5c4f
commit 07b5ab3f71
1 changed files with 2 additions and 2 deletions
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4
arch/sparc/kernel/signal_32.c
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@ -89,7 +89,7 @@ asmlinkage void do_sigreturn(struct pt_regs *regs)
sf = (struct signal_frame __user *) regs->u_regs[UREG_FP]; sf = (struct signal_frame __user *) regs->u_regs[UREG_FP];
/* 1. Make sure we are not getting garbage from the user */ /* 1. Make sure we are not getting garbage from the user */
if (!invalid_frame_pointer(sf, sizeof(*sf))) if (invalid_frame_pointer(sf, sizeof(*sf)))
goto segv_and_exit; goto segv_and_exit;
if (get_user(ufp, &sf->info.si_regs.u_regs[UREG_FP])) if (get_user(ufp, &sf->info.si_regs.u_regs[UREG_FP]))
@ -150,7 +150,7 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
synchronize_user_stack(); synchronize_user_stack();
sf = (struct rt_signal_frame __user *) regs->u_regs[UREG_FP]; sf = (struct rt_signal_frame __user *) regs->u_regs[UREG_FP];
if (!invalid_frame_pointer(sf, sizeof(*sf))) if (invalid_frame_pointer(sf, sizeof(*sf)))
goto segv; goto segv;
if (get_user(ufp, &sf->regs.u_regs[UREG_FP])) if (get_user(ufp, &sf->regs.u_regs[UREG_FP]))