skas: remove PTRACE_SIGPENDING

Remove the longly unused and bad PTRACE_SIGPENDING extension from host-skas
patch.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Index: linux-2.6.18/arch/i386/kernel/ptrace.c
===================================================================
--- linux-2.6.18.orig/arch/i386/kernel/ptrace.c
+++ linux-2.6.18/arch/i386/kernel/ptrace.c
@@ -643,12 +643,6 @@ long arch_ptrace(struct task_struct *chi
 		break;
 	}
 
-	case PTRACE_SIGPENDING:
-		ret = copy_to_user((unsigned long *) data,
-				   &child->pending.signal,
-				   sizeof(child->pending.signal));
-		break;
-
 	case PTRACE_LDT: {
 		struct ptrace_ldt ldt;
 
Index: linux-2.6.18/arch/x86_64/ia32/ptrace32.c
===================================================================
--- linux-2.6.18.orig/arch/x86_64/ia32/ptrace32.c
+++ linux-2.6.18/arch/x86_64/ia32/ptrace32.c
@@ -263,7 +263,6 @@ asmlinkage long sys32_ptrace(long reques
 	case PTRACE_GETEVENTMSG:
 #ifdef CONFIG_PROC_MM
 	case PTRACE_FAULTINFO:
-	case PTRACE_SIGPENDING:
 	case PTRACE_LDT:
 	case PTRACE_SWITCH_MM:
 #endif
@@ -398,11 +397,6 @@ asmlinkage long sys32_ptrace(long reques
 				   sizeof(fault));
 		break;
 	}
-	case PTRACE_SIGPENDING:
-		ret = copy_to_user((unsigned long *) datap,
-				   &child->pending.signal,
-				   sizeof(child->pending.signal));
-		break;
 
 	case PTRACE_LDT: {
 		struct ptrace_ldt32 ldt;
Index: linux-2.6.18/arch/x86_64/kernel/ptrace.c
===================================================================
--- linux-2.6.18.orig/arch/x86_64/kernel/ptrace.c
+++ linux-2.6.18/arch/x86_64/kernel/ptrace.c
@@ -577,12 +577,6 @@ long arch_ptrace(struct task_struct *chi
 		break;
 	}
 
-	case PTRACE_SIGPENDING:
-		ret = copy_to_user((unsigned long *) data,
-				   &child->pending.signal,
-				   sizeof(child->pending.signal));
-		break;
-
 	case PTRACE_LDT: {
 		struct ptrace_ldt ldt;
 
Index: linux-2.6.18/include/asm-i386/ptrace.h
===================================================================
--- linux-2.6.18.orig/include/asm-i386/ptrace.h
+++ linux-2.6.18/include/asm-i386/ptrace.h
@@ -92,7 +92,7 @@ extern unsigned long profile_pc(struct p
 #define _LINUX_PTRACE_STRUCT_DEF
 
 #define PTRACE_FAULTINFO	  52
-#define PTRACE_SIGPENDING	  53
+/* 53 was used for PTRACE_SIGPENDING, don't reuse it. */
 #define PTRACE_LDT		  54
 #define PTRACE_SWITCH_MM 	  55
 
Index: linux-2.6.18/include/asm-x86_64/ptrace.h
===================================================================
--- linux-2.6.18.orig/include/asm-x86_64/ptrace.h
+++ linux-2.6.18/include/asm-x86_64/ptrace.h
@@ -116,7 +116,7 @@ struct ptrace_ldt {
 #define PTRACE_SETFPXREGS         19
 
 #define PTRACE_FAULTINFO 52
-#define PTRACE_SIGPENDING 53
+/* 53 was used for PTRACE_SIGPENDING, don't reuse it. */
 #define PTRACE_LDT 54
 #define PTRACE_SWITCH_MM 55