From b83994dec7addcd5fecd0bfd2f734223eb0462f0 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Mon, 27 Jan 2020 08:49:52 -0700 Subject: bloblist: Zero records when adding It is convenient for bloblist to zero out the contents of a records when it is added. This saves the callers having to do it. Update the API accordingly. Signed-off-by: Simon Glass --- test/bloblist.c | 27 +++++++++++++++++++++++++-- 1 file changed, 25 insertions(+), 2 deletions(-) (limited to 'test') diff --git a/test/bloblist.c b/test/bloblist.c index c78b58ea29..bdcca0291c 100644 --- a/test/bloblist.c +++ b/test/bloblist.c @@ -34,13 +34,31 @@ static struct bloblist_hdr *clear_bloblist(void) { struct bloblist_hdr *hdr; - /* Clear out any existing bloblist so we have a clean slate */ + /* + * Clear out any existing bloblist so we have a clean slate. Zero the + * header so that existing records are removed, but set everything else + * to 0xff for testing purposes. + */ hdr = map_sysmem(CONFIG_BLOBLIST_ADDR, TEST_BLOBLIST_SIZE); - memset(hdr, '\0', TEST_BLOBLIST_SIZE); + memset(hdr, '\xff', TEST_BLOBLIST_SIZE); + memset(hdr, '\0', sizeof(*hdr)); return hdr; } +static int check_zero(void *data, int size) +{ + u8 *ptr; + int i; + + for (ptr = data, i = 0; i < size; i++, ptr++) { + if (*ptr) + return -EINVAL; + } + + return 0; +} + static int bloblist_test_init(struct unit_test_state *uts) { struct bloblist_hdr *hdr; @@ -84,10 +102,14 @@ static int bloblist_test_blob(struct unit_test_state *uts) data = bloblist_find(TEST_TAG, TEST_SIZE); ut_asserteq_ptr(rec + 1, data); + /* Check the data is zeroed */ + ut_assertok(check_zero(data, TEST_SIZE)); + /* Check the 'ensure' method */ ut_asserteq_ptr(data, bloblist_ensure(TEST_TAG, TEST_SIZE)); ut_assertnull(bloblist_ensure(TEST_TAG, TEST_SIZE2)); rec2 = (struct bloblist_rec *)(data + ALIGN(TEST_SIZE, BLOBLIST_ALIGN)); + ut_assertok(check_zero(data, TEST_SIZE)); /* Check for a non-existent record */ ut_asserteq_ptr(data, bloblist_ensure(TEST_TAG, TEST_SIZE)); @@ -112,6 +134,7 @@ static int bloblist_test_blob_ensure(struct unit_test_state *uts) size = TEST_SIZE; ut_assertok(bloblist_ensure_size_ret(TEST_TAG, &size, &data)); ut_asserteq(TEST_SIZE, size); + ut_assertok(check_zero(data, TEST_SIZE)); /* Check that we get the same thing again */ ut_assertok(bloblist_ensure_size_ret(TEST_TAG, &size, &data2)); -- cgit v1.2.3