diff --git a/[refs] b/[refs]
index 0ca1fe44d27a..f5cad395d8ca 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c9a816c0ecb8cef8e6573a8eab47fc48c765e0a1
+refs/heads/master: c44ed965be7a84afaa07543c04eb97a5dfe93422
diff --git a/trunk/fs/compat.c b/trunk/fs/compat.c
index f6fd0a00e6cc..691c3fd8ce1d 100644
--- a/trunk/fs/compat.c
+++ b/trunk/fs/compat.c
@@ -1228,7 +1228,9 @@ compat_sys_preadv(unsigned long fd, const struct compat_iovec __user *vec,
 	file = fget_light(fd, &fput_needed);
 	if (!file)
 		return -EBADF;
-	ret = compat_readv(file, vec, vlen, &pos);
+	ret = -ESPIPE;
+	if (file->f_mode & FMODE_PREAD)
+		ret = compat_readv(file, vec, vlen, &pos);
 	fput_light(file, fput_needed);
 	return ret;
 }
@@ -1285,7 +1287,9 @@ compat_sys_pwritev(unsigned long fd, const struct compat_iovec __user *vec,
 	file = fget_light(fd, &fput_needed);
 	if (!file)
 		return -EBADF;
-	ret = compat_writev(file, vec, vlen, &pos);
+	ret = -ESPIPE;
+	if (file->f_mode & FMODE_PWRITE)
+		ret = compat_writev(file, vec, vlen, &pos);
 	fput_light(file, fput_needed);
 	return ret;
 }