1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 5af8800e0ce3..e4086ec8b952 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -171,7 +171,8 @@ xdr_argsize_check(struct svc_rqst *rqstp, u32 *p)
 {
         char *cp = (char *)p;
         struct kvec *vec = &rqstp->rq_arg.head[0];
-        return cp - (char*)vec->iov_base <= vec->iov_len;
+        return cp >= (char*)vec->iov_base
+                && cp <= (char*)vec->iov_base + vec->iov_len;
 }
 
 static inline int