[PATCH 40/43] mips: Use sigsp()

[Richard Weinberger]

From: Richard Weinberger <rich...@nod.at>

Use sigsp() instead of the open coded variant.

Signed-off-by: Richard Weinberger <rich...@nod.at>
---
 arch/mips/kernel/signal.c     | 10 ++++------
 arch/mips/kernel/signal32.c   |  4 ++--
 arch/mips/kernel/signal_n32.c |  2 +-
 3 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index da4baac..1d57605 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 eb8d0e2..d69179c 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 7d04f28..f1d4751 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;
 
-- 
1.8.4.5

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