sparc32: Fix inverted invalid_frame_pointer checks on sigreturns

[ Upstream commit 07b5ab3f71d318e52c18cc3b73c1d44c908aacfa ]

Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
index c3c12efe0bc004053fea6b49c2f34e51e1ffc32f..9c0c8fd0b2922cacd2ad6ad81f3238a707286d69 100644 (file)
--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -89,7 +89,7 @@ asmlinkage void do_sigreturn(struct pt_regs *regs)
        sf = (struct signal_frame __user *) regs->u_regs[UREG_FP];
 
        /* 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;
 
        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();
        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;
 
        if (get_user(ufp, &sf->regs.u_regs[UREG_FP]))