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-rw-r--r--arch/arm26/kernel/ptrace.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm26/kernel/ptrace.c b/arch/arm26/kernel/ptrace.c
index 2a137146a77..8a52124de0e 100644
--- a/arch/arm26/kernel/ptrace.c
+++ b/arch/arm26/kernel/ptrace.c
@@ -18,6 +18,7 @@
#include <linux/ptrace.h>
#include <linux/user.h>
#include <linux/security.h>
+#include <linux/signal.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
@@ -591,7 +592,7 @@ static int do_ptrace(int request, struct task_struct *child, long addr, long dat
case PTRACE_SYSCALL:
case PTRACE_CONT:
ret = -EIO;
- if ((unsigned long) data > _NSIG)
+ if (!valid_signal(data))
break;
if (request == PTRACE_SYSCALL)
set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
@@ -626,7 +627,7 @@ static int do_ptrace(int request, struct task_struct *child, long addr, long dat
*/
case PTRACE_SINGLESTEP:
ret = -EIO;
- if ((unsigned long) data > _NSIG)
+ if (!valid_signal(data))
break;
child->ptrace |= PT_SINGLESTEP;
clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);