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    Subject[PATCH 28/43] arc: 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: Vineet Gupta <vgupta@synopsys.com>
    ---
    arch/arc/kernel/signal.c | 10 +++-------
    1 file changed, 3 insertions(+), 7 deletions(-)

    diff --git a/arch/arc/kernel/signal.c b/arch/arc/kernel/signal.c
    index c2031e2..cb3142a 100644
    --- a/arch/arc/kernel/signal.c
    +++ b/arch/arc/kernel/signal.c
    @@ -141,17 +141,13 @@ badframe:
    /*
    * Determine which stack to use..
    */
    -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;
    + unsigned long sp = sigsp(regs->sp, ksig);
    void __user *frame;

    - /* This is the X/Open sanctioned signal stack switching */
    - if ((ka->sa.sa_flags & SA_ONSTACK) && !sas_ss_flags(sp))
    - sp = current->sas_ss_sp + current->sas_ss_size;
    -
    /* No matter what happens, 'sp' must be word
    * aligned otherwise nasty things could happen
    */
    @@ -185,7 +181,7 @@ setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs)
    unsigned int magic = 0;
    int err = 0;

    - sf = get_sigframe(&ksig->ka, regs, sizeof(struct rt_sigframe));
    + sf = get_sigframe(ksig, regs, sizeof(struct rt_sigframe));
    if (!sf)
    return 1;

    --
    1.8.4.5


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