[PATCH v4 05/30] iov_iter: Remove unused variable in kunit_iov_iter.c

Remove the no longer used variable 'b' from iov_kunit_copy_to_bvec().  The
variable is initialised and incremented, but nothing now makes use of the
value.

Signed-off-by: David Howells <[email protected]>
cc: Ming Lei <[email protected]>
cc: Paulo Alcantara <[email protected]>
cc: Matthew Wilcox <[email protected]>
cc: Christoph Hellwig <[email protected]>
cc: Jens Axboe <[email protected]>
cc: [email protected]
cc: [email protected]
---
 lib/tests/kunit_iov_iter.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/lib/tests/kunit_iov_iter.c b/lib/tests/kunit_iov_iter.c
index f02f7b7aa796..e7e154f94f66 100644
--- a/lib/tests/kunit_iov_iter.c
+++ b/lib/tests/kunit_iov_iter.c
@@ -275,7 +275,7 @@ static void __init iov_kunit_copy_to_bvec(struct kunit *test)
 	struct page **spages, **bpages;
 	u8 *scratch, *buffer;
 	size_t bufsize, npages, size, copied;
-	int i, b, patt;
+	int i, patt;
 
 	bufsize = 0x100000;
 	npages = bufsize / PAGE_SIZE;
@@ -298,10 +298,9 @@ static void __init iov_kunit_copy_to_bvec(struct kunit *test)
 	KUNIT_EXPECT_EQ(test, iter.nr_segs, 0);
 
 	/* Build the expected image in the scratch buffer. */
-	b = 0;
 	patt = 0;
 	memset(scratch, 0, bufsize);
-	for (pr = bvec_test_ranges; pr->from >= 0; pr++, b++) {
+	for (pr = bvec_test_ranges; pr->from >= 0; pr++) {
 		u8 *p = scratch + pr->page * PAGE_SIZE;
 
 		for (i = pr->from; i < pr->to; i++)