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-rw-r--r--arch/mips/kernel/ptrace.c3
-rw-r--r--arch/mips/kernel/ptrace32.c3
2 files changed, 4 insertions, 2 deletions
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 92f2c39afe2..a2f899c2f4d 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -26,6 +26,7 @@
#include <linux/smp_lock.h>
#include <linux/user.h>
#include <linux/security.h>
+#include <linux/signal.h>
#include <asm/cpu.h>
#include <asm/fpu.h>
@@ -257,7 +258,7 @@ asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
case PTRACE_CONT: { /* restart after signal. */
ret = -EIO;
- if ((unsigned long) data > _NSIG)
+ if (!valid_signal(data))
break;
if (request == PTRACE_SYSCALL) {
set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
diff --git a/arch/mips/kernel/ptrace32.c b/arch/mips/kernel/ptrace32.c
index 611dee919d5..eee207969c2 100644
--- a/arch/mips/kernel/ptrace32.c
+++ b/arch/mips/kernel/ptrace32.c
@@ -24,6 +24,7 @@
#include <linux/smp_lock.h>
#include <linux/user.h>
#include <linux/security.h>
+#include <linux/signal.h>
#include <asm/cpu.h>
#include <asm/fpu.h>
@@ -241,7 +242,7 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data)
case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
case PTRACE_CONT: { /* restart after signal. */
ret = -EIO;
- if ((unsigned int) data > _NSIG)
+ if (!valid_signal(data))
break;
if (request == PTRACE_SYSCALL) {
set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);