[PATCH 38/41] csky: switch to ->get2()

[Al Viro]

From: Al Viro <v...@zeniv.linux.org.uk>

NB: WTF is fpregs_get() playing at???

Signed-off-by: Al Viro <v...@zeniv.linux.org.uk>
---
 arch/csky/kernel/ptrace.c | 24 ++++++++++--------------
 1 file changed, 10 insertions(+), 14 deletions(-)

diff --git a/arch/csky/kernel/ptrace.c b/arch/csky/kernel/ptrace.c
index 944ca2fdcdd9..acd36aeb5222 100644
--- a/arch/csky/kernel/ptrace.c
+++ b/arch/csky/kernel/ptrace.c
@@ -76,17 +76,14 @@ enum csky_regset {
 
 static int gpr_get(struct task_struct *target,
                   const struct user_regset *regset,
-                  unsigned int pos, unsigned int count,
-                  void *kbuf, void __user *ubuf)
+                  struct membuf to)
 {
-       struct pt_regs *regs;
-
-       regs = task_pt_regs(target);
+       struct pt_regs *regs = task_pt_regs(target);
 
        /* Abiv1 regs->tls is fake and we need sync here. */
        regs->tls = task_thread_info(target)->tp_value;
 
-       return user_regset_copyout(&pos, &count, &kbuf, &ubuf, regs, 0, -1);
+       return membuf_write(&to, regs, sizeof(regs));
 }
 
 static int gpr_set(struct task_struct *target,
@@ -114,8 +111,7 @@ static int gpr_set(struct task_struct *target,
 
 static int fpr_get(struct task_struct *target,
                   const struct user_regset *regset,
-                  unsigned int pos, unsigned int count,
-                  void *kbuf, void __user *ubuf)
+                  struct membuf to)
 {
        struct user_fp *regs = (struct user_fp *)&target->thread.user_fp;
 
@@ -131,9 +127,9 @@ static int fpr_get(struct task_struct *target,
        for (i = 0; i < 32; i++)
                tmp.vr[64 + i] = regs->vr[32 + i];
 
-       return user_regset_copyout(&pos, &count, &kbuf, &ubuf, &tmp, 0, -1);
+       return membuf_write(&to, &tmp, sizeof(tmp));
 #else
-       return user_regset_copyout(&pos, &count, &kbuf, &ubuf, regs, 0, -1);
+       return membuf_write(&to, regs, sizeof(*regs));
 #endif
 }
 
@@ -173,16 +169,16 @@ static const struct user_regset csky_regsets[] = {
                .n = sizeof(struct pt_regs) / sizeof(u32),
                .size = sizeof(u32),
                .align = sizeof(u32),
-               .get = &gpr_get,
-               .set = &gpr_set,
+               .get2 = gpr_get,
+               .set = gpr_set,
        },
        [REGSET_FPR] = {
                .core_note_type = NT_PRFPREG,
                .n = sizeof(struct user_fp) / sizeof(u32),
                .size = sizeof(u32),
                .align = sizeof(u32),
-               .get = &fpr_get,
-               .set = &fpr_set,
+               .get2 = fpr_get,
+               .set = fpr_set,
        },
 };
 
-- 
2.11.0