diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c
index 90a15d29feebdceb4aa019bc7cc8e4f649f08721..b53664ef53e841e5758bd69b789d39e4ef9621f5 100644
--- a/arch/sh/kernel/ptrace_32.c
+++ b/arch/sh/kernel/ptrace_32.c
@@ -392,6 +392,9 @@ long arch_ptrace(struct task_struct *child, long request,
 					tmp = 0;
 			} else {
 				unsigned long index;
+				ret = init_fpu(child);
+				if (ret)
+					break;
 				index = addr - offsetof(struct user, fpu);
 				tmp = ((unsigned long *)child->thread.xstate)
 					[index >> 2];
@@ -423,6 +426,9 @@ long arch_ptrace(struct task_struct *child, long request,
 		else if (addr >= offsetof(struct user, fpu) &&
 			 addr < offsetof(struct user, u_fpvalid)) {
 			unsigned long index;
+			ret = init_fpu(child);
+			if (ret)
+				break;
 			index = addr - offsetof(struct user, fpu);
 			set_stopped_child_used_math(child);
 			((unsigned long *)child->thread.xstate)
diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c
index 4436eacddb1536e6aaf5a00299a659dc12a210c6..c8f97649f354b5f4b80366b79a95c9a9a0f4d4bb 100644
--- a/arch/sh/kernel/ptrace_64.c
+++ b/arch/sh/kernel/ptrace_64.c
@@ -403,6 +403,9 @@ long arch_ptrace(struct task_struct *child, long request,
 		else if ((addr >= offsetof(struct user, fpu)) &&
 			 (addr <  offsetof(struct user, u_fpvalid))) {
 			unsigned long index;
+			ret = init_fpu(child);
+			if (ret)
+				break;
 			index = addr - offsetof(struct user, fpu);
 			tmp = get_fpu_long(child, index);
 		} else if (addr == offsetof(struct user, u_fpvalid)) {
@@ -442,6 +445,9 @@ long arch_ptrace(struct task_struct *child, long request,
 		else if ((addr >= offsetof(struct user, fpu)) &&
 			 (addr <  offsetof(struct user, u_fpvalid))) {
 			unsigned long index;
+			ret = init_fpu(child);
+			if (ret)
+				break;
 			index = addr - offsetof(struct user, fpu);
 			ret = put_fpu_long(child, index, data);
 		}