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    Subject[PATCH 32/43] c6x: Use sigsp()
    Date
    From: Richard Weinberger <richard@nod.at>

    Use sigsp() instead of the open coded variant.

    Signed-off-by: Richard Weinberger <richard@nod.at>
    Acked-by: Mark Salter <msalter@redhat.com>
    ---
    arch/c6x/kernel/signal.c | 12 +++---------
    1 file changed, 3 insertions(+), 9 deletions(-)

    diff --git a/arch/c6x/kernel/signal.c b/arch/c6x/kernel/signal.c
    index 8bf9aad..fe68226 100644
    --- a/arch/c6x/kernel/signal.c
    +++ b/arch/c6x/kernel/signal.c
    @@ -127,17 +127,11 @@ static int setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,
    return err;
    }

    -static inline void __user *get_sigframe(struct k_sigaction *ka,
    +static inline void __user *get_sigframe(struct ksignal *ksig,
    struct pt_regs *regs,
    unsigned long framesize)
    {
    - unsigned long sp = regs->sp;
    -
    - /*
    - * 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;
    + unsigned long sp = sigsp(regs->sp, ksig);

    /*
    * No matter what happens, 'sp' must be dword
    @@ -153,7 +147,7 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
    unsigned long __user *retcode;
    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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