1 files changed, 9 insertions, 15 deletions

diff --git a/arch/arm64/kernel/signal32.c b/arch/arm64/kernel/signal32.c
index c5ee208..1b9ad02 100644
--- a/arch/arm64/kernel/signal32.c
+++ b/arch/arm64/kernel/signal32.c
@@ -407,20 +407,14 @@ badframe:
 	return 0;
 }
 
-static void __user *compat_get_sigframe(struct k_sigaction *ka,
+static void __user *compat_get_sigframe(struct ksignal *ksig,
 					struct pt_regs *regs,
 					int framesize)
 {
-	compat_ulong_t sp = regs->compat_sp;
+	compat_ulong_t sp = sigsp(regs->compat_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;
-
-	/*
 	 * ATPCS B01 mandates 8-byte alignment
 	 */
 	frame = compat_ptr((compat_uptr_t)((sp - framesize) & ~7));
@@ -520,18 +514,18 @@ static int compat_setup_sigframe(struct compat_sigframe __user *sf,
 /*
  * 32-bit signal handling routines called from signal.c
  */
-int compat_setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info,
+int compat_setup_rt_frame(int usig, struct ksignal *ksig,
 			  sigset_t *set, struct pt_regs *regs)
 {
 	struct compat_rt_sigframe __user *frame;
 	int err = 0;
 
-	frame = compat_get_sigframe(ka, regs, sizeof(*frame));
+	frame = compat_get_sigframe(ksig, regs, sizeof(*frame));
 
 	if (!frame)
 		return 1;
 
-	err |= copy_siginfo_to_user32(&frame->info, info);
+	err |= copy_siginfo_to_user32(&frame->info, &ksig->info);
 
 	__put_user_error(0, &frame->sig.uc.uc_flags, err);
 	__put_user_error(0, &frame->sig.uc.uc_link, err);
@@ -541,7 +535,7 @@ int compat_setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info,
 	err |= compat_setup_sigframe(&frame->sig, regs, set);
 
 	if (err == 0) {
-		compat_setup_return(regs, ka, frame->sig.retcode, frame, usig);
+		compat_setup_return(regs, &ksig->ka, frame->sig.retcode, frame, usig);
 		regs->regs[1] = (compat_ulong_t)(unsigned long)&frame->info;
 		regs->regs[2] = (compat_ulong_t)(unsigned long)&frame->sig.uc;
 	}
@@ -549,13 +543,13 @@ int compat_setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info,
 	return err;
 }
 
-int compat_setup_frame(int usig, struct k_sigaction *ka, sigset_t *set,
+int compat_setup_frame(int usig, struct ksignal *ksig, sigset_t *set,
 		       struct pt_regs *regs)
 {
 	struct compat_sigframe __user *frame;
 	int err = 0;
 
-	frame = compat_get_sigframe(ka, regs, sizeof(*frame));
+	frame = compat_get_sigframe(ksig, regs, sizeof(*frame));
 
 	if (!frame)
 		return 1;
@@ -564,7 +558,7 @@ int compat_setup_frame(int usig, struct k_sigaction *ka, sigset_t *set,
 
 	err |= compat_setup_sigframe(frame, regs, set);
 	if (err == 0)
-		compat_setup_return(regs, ka, frame->retcode, frame, usig);
+		compat_setup_return(regs, &ksig->ka, frame->retcode, frame, usig);
 
 	return err;
 }