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-rw-r--r--arch/v850/kernel/ptrace.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/v850/kernel/ptrace.c b/arch/v850/kernel/ptrace.c
index 8fa780757dcd..4726b87f5e5a 100644
--- a/arch/v850/kernel/ptrace.c
+++ b/arch/v850/kernel/ptrace.c
@@ -23,6 +23,7 @@
#include <linux/sched.h>
#include <linux/smp_lock.h>
#include <linux/ptrace.h>
+#include <linux/signal.h>
#include <asm/errno.h>
#include <asm/ptrace.h>
@@ -208,7 +209,7 @@ int sys_ptrace(long request, long pid, long addr, long data)
/* Execute a single instruction. */
case PTRACE_SINGLESTEP:
rval = -EIO;
- if ((unsigned long) data > _NSIG)
+ if (!valid_signal(data))
break;
/* Turn CHILD's single-step flag on or off. */