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| author | Sang-Heon Jeon <ekffu200098@gmail.com> | 2026-08-24 01:18:14 +0900 |
|---|---|---|
| committer | Julia Lawall <Julia.Lawall@inria.fr> | 2026-08-23 22:12:11 +0200 |
| commit | 2bd30b8dc75b823dd7bbef9d7bc68e1fd7ecee5c (patch) | |
| tree | dcc4da1d99f17541c5590ac63c77da4bf372a4ab /drivers/firewire/uapi-test.c | |
| download | linux-stable-2bd30b8dc75b823dd7bbef9d7bc68e1fd7ecee5c.tar.gz linux-stable-2bd30b8dc75b823dd7bbef9d7bc68e1fd7ecee5c.zip | |
coccinelle: alloc_cast: drop removed allocatorsgrafted
- pci_alloc_consistent() and pci_zalloc_consistent() were removed by
commit 7968778914e5
("PCI: Remove the deprecated "pci-dma-compat.h" API")
- kmem_alloc() was removed by commit f078d4ea8276
("xfs: convert kmem_alloc() to kmalloc()")
- kmem_zalloc() was removed by commit 10634530f7ba
("xfs: convert kmem_zalloc() to kzalloc()")
- kmem_zone_alloc() and kmem_zone_zalloc() were removed by commit
bae633a4a283 ("xfs: remove xfs_zone_{alloc,zalloc} helpers")
So drop them from the rules.
No functional change.
Signed-off-by: Sang-Heon Jeon <ekffu200098@gmail.com>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Diffstat (limited to 'drivers/firewire/uapi-test.c')
| -rw-r--r-- | drivers/firewire/uapi-test.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/drivers/firewire/uapi-test.c b/drivers/firewire/uapi-test.c new file mode 100644 index 000000000..bc3f10a2e --- /dev/null +++ b/drivers/firewire/uapi-test.c @@ -0,0 +1,90 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// uapi_test.c - An application of Kunit to check layout of structures exposed to user space for +// FireWire subsystem. +// +// Copyright (c) 2023 Takashi Sakamoto + +#include <kunit/test.h> +#include <linux/firewire-cdev.h> + +// Known issue added at v2.6.27 kernel. +static void structure_layout_event_response(struct kunit *test) +{ +#if defined(CONFIG_X86_32) + // 4 bytes alignment for aggregate type including 8 bytes storage types. + KUNIT_EXPECT_EQ(test, 20, sizeof(struct fw_cdev_event_response)); +#else + // 8 bytes alignment for aggregate type including 8 bytes storage types. + KUNIT_EXPECT_EQ(test, 24, sizeof(struct fw_cdev_event_response)); +#endif + + KUNIT_EXPECT_EQ(test, 0, offsetof(struct fw_cdev_event_response, closure)); + KUNIT_EXPECT_EQ(test, 8, offsetof(struct fw_cdev_event_response, type)); + KUNIT_EXPECT_EQ(test, 12, offsetof(struct fw_cdev_event_response, rcode)); + KUNIT_EXPECT_EQ(test, 16, offsetof(struct fw_cdev_event_response, length)); + KUNIT_EXPECT_EQ(test, 20, offsetof(struct fw_cdev_event_response, data)); +} + +// Added at v6.5. +static void structure_layout_event_request3(struct kunit *test) +{ + KUNIT_EXPECT_EQ(test, 56, sizeof(struct fw_cdev_event_request3)); + + KUNIT_EXPECT_EQ(test, 0, offsetof(struct fw_cdev_event_request3, closure)); + KUNIT_EXPECT_EQ(test, 8, offsetof(struct fw_cdev_event_request3, type)); + KUNIT_EXPECT_EQ(test, 12, offsetof(struct fw_cdev_event_request3, tcode)); + KUNIT_EXPECT_EQ(test, 16, offsetof(struct fw_cdev_event_request3, offset)); + KUNIT_EXPECT_EQ(test, 24, offsetof(struct fw_cdev_event_request3, source_node_id)); + KUNIT_EXPECT_EQ(test, 28, offsetof(struct fw_cdev_event_request3, destination_node_id)); + KUNIT_EXPECT_EQ(test, 32, offsetof(struct fw_cdev_event_request3, card)); + KUNIT_EXPECT_EQ(test, 36, offsetof(struct fw_cdev_event_request3, generation)); + KUNIT_EXPECT_EQ(test, 40, offsetof(struct fw_cdev_event_request3, handle)); + KUNIT_EXPECT_EQ(test, 44, offsetof(struct fw_cdev_event_request3, length)); + KUNIT_EXPECT_EQ(test, 48, offsetof(struct fw_cdev_event_request3, tstamp)); + KUNIT_EXPECT_EQ(test, 56, offsetof(struct fw_cdev_event_request3, data)); +} + +// Added at v6.5. +static void structure_layout_event_response2(struct kunit *test) +{ + KUNIT_EXPECT_EQ(test, 32, sizeof(struct fw_cdev_event_response2)); + + KUNIT_EXPECT_EQ(test, 0, offsetof(struct fw_cdev_event_response2, closure)); + KUNIT_EXPECT_EQ(test, 8, offsetof(struct fw_cdev_event_response2, type)); + KUNIT_EXPECT_EQ(test, 12, offsetof(struct fw_cdev_event_response2, rcode)); + KUNIT_EXPECT_EQ(test, 16, offsetof(struct fw_cdev_event_response2, length)); + KUNIT_EXPECT_EQ(test, 20, offsetof(struct fw_cdev_event_response2, request_tstamp)); + KUNIT_EXPECT_EQ(test, 24, offsetof(struct fw_cdev_event_response2, response_tstamp)); + KUNIT_EXPECT_EQ(test, 32, offsetof(struct fw_cdev_event_response2, data)); +} + +// Added at v6.5. +static void structure_layout_event_phy_packet2(struct kunit *test) +{ + KUNIT_EXPECT_EQ(test, 24, sizeof(struct fw_cdev_event_phy_packet2)); + + KUNIT_EXPECT_EQ(test, 0, offsetof(struct fw_cdev_event_phy_packet2, closure)); + KUNIT_EXPECT_EQ(test, 8, offsetof(struct fw_cdev_event_phy_packet2, type)); + KUNIT_EXPECT_EQ(test, 12, offsetof(struct fw_cdev_event_phy_packet2, rcode)); + KUNIT_EXPECT_EQ(test, 16, offsetof(struct fw_cdev_event_phy_packet2, length)); + KUNIT_EXPECT_EQ(test, 20, offsetof(struct fw_cdev_event_phy_packet2, tstamp)); + KUNIT_EXPECT_EQ(test, 24, offsetof(struct fw_cdev_event_phy_packet2, data)); +} + +static struct kunit_case structure_layout_test_cases[] = { + KUNIT_CASE(structure_layout_event_response), + KUNIT_CASE(structure_layout_event_request3), + KUNIT_CASE(structure_layout_event_response2), + KUNIT_CASE(structure_layout_event_phy_packet2), + {} +}; + +static struct kunit_suite structure_layout_test_suite = { + .name = "firewire-uapi-structure-layout", + .test_cases = structure_layout_test_cases, +}; +kunit_test_suite(structure_layout_test_suite); + +MODULE_DESCRIPTION("FireWire UAPI unit test suite"); +MODULE_LICENSE("GPL"); |
