diff --git a/lib/iov_iter.c b/lib/iov_iter.c
index 3dfad70328eb..c2484551a4e8 100644
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -1756,6 +1756,7 @@ static ssize_t iov_iter_extract_user_pages(struct iov_iter *i,
 	unsigned long addr;
 	unsigned int gup_flags = 0;
 	size_t offset;
+	bool will_alloc = !*pages;
 	int res;
 
 	if (i->data_source == ITER_DEST)
@@ -1772,8 +1773,14 @@ static ssize_t iov_iter_extract_user_pages(struct iov_iter *i,
 	if (!maxpages)
 		return -ENOMEM;
 	res = pin_user_pages_fast(addr, maxpages, gup_flags, *pages);
-	if (unlikely(res <= 0))
+	if (unlikely(res <= 0)) {
+		if (will_alloc) {
+			kvfree(*pages);
+			*pages = NULL;
+		}
 		return res;
+	}
+
 	maxsize = min_t(size_t, maxsize, res * PAGE_SIZE - offset);
 	iov_iter_advance(i, maxsize);
 	return maxsize;