MIPS: Replace hardcoded 32 with NUM_FPU_REGS in ptrace

NUM_FPU_REGS just makes it clearer what's going on, rather than the
magic hard coded 32.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/6424/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index e0178e1..0f97c7d 100644 (file)
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -69,7 +69,7 @@ static int copy_fp_to_sigcontext(struct sigcontext __user *sc)
        int i;
        int err = 0;
 
-       for (i = 0; i < 32; i++) {
+       for (i = 0; i < NUM_FPU_REGS; i++) {
                err |=
                    __put_user(get_fpr64(&current->thread.fpu.fpr[i], 0),
                               &sc->sc_fpregs[i]);
@@ -85,7 +85,7 @@ static int copy_fp_from_sigcontext(struct sigcontext __user *sc)
        int err = 0;
        u64 fpr_val;
 
-       for (i = 0; i < 32; i++) {
+       for (i = 0; i < NUM_FPU_REGS; i++) {
                err |= __get_user(fpr_val, &sc->sc_fpregs[i]);
                set_fpr64(&current->thread.fpu.fpr[i], 0, fpr_val);
        }

diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c
index aec5821..bae2e6e 100644 (file)
--- a/arch/mips/kernel/signal32.c
+++ b/arch/mips/kernel/signal32.c
@@ -84,7 +84,7 @@ static int copy_fp_to_sigcontext32(struct sigcontext32 __user *sc)
        int err = 0;
        int inc = test_thread_flag(TIF_32BIT_FPREGS) ? 2 : 1;
 
-       for (i = 0; i < 32; i += inc) {
+       for (i = 0; i < NUM_FPU_REGS; i += inc) {
                err |=
                    __put_user(get_fpr64(&current->thread.fpu.fpr[i], 0),
                               &sc->sc_fpregs[i]);
@@ -101,7 +101,7 @@ static int copy_fp_from_sigcontext32(struct sigcontext32 __user *sc)
        int inc = test_thread_flag(TIF_32BIT_FPREGS) ? 2 : 1;
        u64 fpr_val;
 
-       for (i = 0; i < 32; i += inc) {
+       for (i = 0; i < NUM_FPU_REGS; i += inc) {
                err |= __get_user(fpr_val, &sc->sc_fpregs[i]);
                set_fpr64(&current->thread.fpu.fpr[i], 0, fpr_val);
        }