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authorRichard Weinberger <richard@nod.at>2014-03-05 16:25:55 +0100
committerRichard Weinberger <richard@sigma-star.at>2014-08-06 13:04:32 +0200
commit059ade650ae57cfd371af690fdba887af04aded8 (patch)
tree8ab307ffc1d03624c91da8a7fb27474100145e6d /arch
parent8e2beafa2f7f48b1392c00897578e5daf858fe59 (diff)
downloadlinux-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.c10
-rw-r--r--arch/powerpc/kernel/signal_32.c4
-rw-r--r--arch/powerpc/kernel/signal_64.c2
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;