mips: Use sigsp()

Use sigsp() instead of the open coded variant.

Signed-off-by: Richard Weinberger <richard@nod.at>

3 files changed, 7 insertions, 9 deletions

diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index da4baac8652c..1d57605e4615 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -280,7 +280,7 @@ int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
         return err;
 }
 
-void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
+void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs,
                           size_t frame_size)
 {
         unsigned long sp;
@@ -295,9 +295,7 @@ void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
          */
         sp -= 32;
 
-        /* This is the X/Open sanctioned signal stack switching.  */
-        if ((ka->sa.sa_flags & SA_ONSTACK) && (sas_ss_flags (sp) == 0))
-                sp = current->sas_ss_sp + current->sas_ss_size;
+        sp = sigsp(sp, ksig);
 
         return (void __user *)((sp - frame_size) & (ICACHE_REFILLS_WORKAROUND_WAR ? ~(cpu_icache_line_size()-1) : ALMASK));
 }
@@ -434,7 +432,7 @@ static int setup_frame(void *sig_return, struct ksignal *ksig,
         struct sigframe __user *frame;
         int err = 0;
 
-        frame = get_sigframe(&ksig->ka, regs, sizeof(*frame));
+        frame = get_sigframe(ksig, regs, sizeof(*frame));
         if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
                 return -EFAULT;
 
@@ -473,7 +471,7 @@ static int setup_rt_frame(void *sig_return, struct ksignal *ksig,
         struct rt_sigframe __user *frame;
         int err = 0;
 
-        frame = get_sigframe(&ksig->ka, regs, sizeof(*frame));
+        frame = get_sigframe(ksig, regs, sizeof(*frame));
         if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
                 return -EFAULT;
 
diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c
index eb8d0e26404d..d69179c0d49d 100644
--- a/arch/mips/kernel/signal32.c
+++ b/arch/mips/kernel/signal32.c
@@ -496,7 +496,7 @@ static int setup_frame_32(void *sig_return, struct ksignal *ksig,
         struct sigframe32 __user *frame;
         int err = 0;
 
-        frame = get_sigframe(&ksig->ka, regs, sizeof(*frame));
+        frame = get_sigframe(ksig, regs, sizeof(*frame));
         if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
                 return -EFAULT;
 
@@ -536,7 +536,7 @@ static int setup_rt_frame_32(void *sig_return, struct ksignal *ksig,
         struct rt_sigframe32 __user *frame;
         int err = 0;
 
-        frame = get_sigframe(&ksig->ka, regs, sizeof(*frame));
+        frame = get_sigframe(ksig, regs, sizeof(*frame));
         if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
                 return -EFAULT;
 
diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c
index 7d04f2868ba6..f1d4751eead0 100644
--- a/arch/mips/kernel/signal_n32.c
+++ b/arch/mips/kernel/signal_n32.c
@@ -108,7 +108,7 @@ static int setup_rt_frame_n32(void *sig_return, struct ksignal *ksig,
         struct rt_sigframe_n32 __user *frame;
         int err = 0;
 
-        frame = get_sigframe(&ksig->ka, regs, sizeof(*frame));
+        frame = get_sigframe(ksig, regs, sizeof(*frame));
         if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
                 return -EFAULT;