diff options
| author | Richard Weinberger <richard@nod.at> | 2014-03-05 16:25:55 +0100 |
|---|---|---|
| committer | Richard Weinberger <richard@sigma-star.at> | 2014-08-06 13:04:32 +0200 |
| commit | 059ade650ae57cfd371af690fdba887af04aded8 (patch) | |
| tree | 8ab307ffc1d03624c91da8a7fb27474100145e6d /arch | |
| parent | 8e2beafa2f7f48b1392c00897578e5daf858fe59 (diff) | |
| download | linux-059ade650ae57cfd371af690fdba887af04aded8.tar.bz2 | |
powerpc: Use sigsp()
Use sigsp() instead of the open coded variant.
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/signal.c | 10 | ||||
| -rw-r--r-- | arch/powerpc/kernel/signal_32.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/signal_64.c | 2 |
3 files changed, 5 insertions, 11 deletions
diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c index aa9b048c4766..cf8c7e4e0b21 100644 --- a/arch/powerpc/kernel/signal.c +++ b/arch/powerpc/kernel/signal.c @@ -31,20 +31,14 @@ int show_unhandled_signals = 1; /* * Allocate space for the signal frame */ -void __user * get_sigframe(struct k_sigaction *ka, unsigned long sp, +void __user *get_sigframe(struct ksignal *ksig, unsigned long sp, size_t frame_size, int is_32) { unsigned long oldsp, newsp; /* Default to using normal stack */ oldsp = get_clean_sp(sp, is_32); - - /* Check for alt stack */ - if ((ka->sa.sa_flags & SA_ONSTACK) && - current->sas_ss_size && !on_sig_stack(oldsp)) - oldsp = (current->sas_ss_sp + current->sas_ss_size); - - /* Get aligned frame */ + oldsp = sigsp(oldsp, ksig); newsp = (oldsp - frame_size) & ~0xFUL; /* Check access */ diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index aa0af8853d59..b171001698ff 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -994,7 +994,7 @@ int handle_rt_signal32(struct ksignal *ksig, sigset_t *oldset, /* Set up Signal Frame */ /* Put a Real Time Context onto stack */ - rt_sf = get_sigframe(&ksig->ka, get_tm_stackpointer(regs), sizeof(*rt_sf), 1); + rt_sf = get_sigframe(ksig, get_tm_stackpointer(regs), sizeof(*rt_sf), 1); addr = rt_sf; if (unlikely(rt_sf == NULL)) goto badframe; @@ -1417,7 +1417,7 @@ int handle_signal32(struct ksignal *ksig, sigset_t *oldset, struct pt_regs *regs unsigned long tramp; /* Set up Signal Frame */ - frame = get_sigframe(&ksig->ka, get_tm_stackpointer(regs), sizeof(*frame), 1); + frame = get_sigframe(ksig, get_tm_stackpointer(regs), sizeof(*frame), 1); if (unlikely(frame == NULL)) goto badframe; sc = (struct sigcontext __user *) &frame->sctx; diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index 115d11041cf7..2cb0c94cafa5 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -714,7 +714,7 @@ int handle_rt_signal64(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs unsigned long newsp = 0; long err = 0; - frame = get_sigframe(&ksig->ka, get_tm_stackpointer(regs), sizeof(*frame), 0); + frame = get_sigframe(ksig, get_tm_stackpointer(regs), sizeof(*frame), 0); if (unlikely(frame == NULL)) goto badframe; |