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authorJakub Kicinski <kuba@kernel.org>2024-06-20 13:02:22 -0700
committerJakub Kicinski <kuba@kernel.org>2024-06-20 13:49:59 -0700
commita6ec08beec9ea93f342d6daeac922208709694dc (patch)
treee14f4b7f0133e63a20a27baea37506abeba3bb95 /lib/overflow_kunit.c
parenta012f9a752a5856b29610057c76079fbdbe02abf (diff)
parentd5a7fc58da039903b332041e8c67daae36f08b50 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. Conflicts: drivers/net/ethernet/broadcom/bnxt/bnxt.c 1e7962114c10 ("bnxt_en: Restore PTP tx_avail count in case of skb_pad() error") 165f87691a89 ("bnxt_en: add timestamping statistics support") No adjacent changes. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'lib/overflow_kunit.c')
-rw-r--r--lib/overflow_kunit.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/lib/overflow_kunit.c b/lib/overflow_kunit.c
index 4ef31b0bb74d..d305b0c054bb 100644
--- a/lib/overflow_kunit.c
+++ b/lib/overflow_kunit.c
@@ -1178,14 +1178,28 @@ struct foo {
s16 array[] __counted_by(counter);
};
+struct bar {
+ int a;
+ u32 counter;
+ s16 array[];
+};
+
static void DEFINE_FLEX_test(struct kunit *test)
{
- DEFINE_RAW_FLEX(struct foo, two, array, 2);
+ /* Using _RAW_ on a __counted_by struct will initialize "counter" to zero */
+ DEFINE_RAW_FLEX(struct foo, two_but_zero, array, 2);
+#if __has_attribute(__counted_by__)
+ int expected_raw_size = sizeof(struct foo);
+#else
+ int expected_raw_size = sizeof(struct foo) + 2 * sizeof(s16);
+#endif
+ /* Without annotation, it will always be on-stack size. */
+ DEFINE_RAW_FLEX(struct bar, two, array, 2);
DEFINE_FLEX(struct foo, eight, array, counter, 8);
DEFINE_FLEX(struct foo, empty, array, counter, 0);
- KUNIT_EXPECT_EQ(test, __struct_size(two),
- sizeof(struct foo) + sizeof(s16) + sizeof(s16));
+ KUNIT_EXPECT_EQ(test, __struct_size(two_but_zero), expected_raw_size);
+ KUNIT_EXPECT_EQ(test, __struct_size(two), sizeof(struct bar) + 2 * sizeof(s16));
KUNIT_EXPECT_EQ(test, __struct_size(eight), 24);
KUNIT_EXPECT_EQ(test, __struct_size(empty), sizeof(struct foo));
}