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bloblist: Correct condition in bloblist_addrec()

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It is possible to add a blob that ends at the end of the bloblist, but at
present this is not supported. Fix it and add a regression test for this
case.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2021-07-05 16:32:55 -06:00
parent faff554292
commit 1f618d528e
2 changed files with 24 additions and 1 deletions
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23
test/bloblist.c
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@@ -576,6 +576,29 @@ static int bloblist_test_resize_last(struct unit_test_state *uts)
}
BLOBLIST_TEST(bloblist_test_resize_last, 0);
/* Check a completely full bloblist */
static int bloblist_test_blob_maxsize(struct unit_test_state *uts)
{
void *ptr;
int size;
/* At the start there should be no records */
clear_bloblist();
ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0));
/* Add a blob that takes up all space */
size = TEST_BLOBLIST_SIZE - sizeof(struct bloblist_hdr) -
sizeof(struct bloblist_rec);
ptr = bloblist_add(TEST_TAG, size, 0);
ut_assertnonnull(ptr);
ptr = bloblist_add(TEST_TAG, size + 1, 0);
ut_assertnull(ptr);
return 0;
}
BLOBLIST_TEST(bloblist_test_blob_maxsize, 0);
int do_ut_bloblist(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{