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https://github.com/AsahiLinux/u-boot
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26de4296cc
Some callers (e.g. cmd/fs.c) of fs_set_blk_dev may use a NULL dev_part_str.
While blk_get_device_part_str handles this fine,
part_get_info_by_dev_and_name does not. This fixes commands crashing when
implicitly using bootdevice.
The unit test has also been updated to set bootdevice to a known value and
to restore it after we are done.
Fixes: 7194527b6a ("cmd: fs: Use part_get_info_by_dev_and_name_or_num to parse partitions")
Reported-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
99 lines
2.3 KiB
C
99 lines
2.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2020 Sean Anderson <sean.anderson@seco.com>
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*/
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#include <common.h>
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#include <dm.h>
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#include <mmc.h>
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#include <part.h>
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#include <part_efi.h>
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#include <dm/test.h>
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#include <test/ut.h>
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static inline int do_test(struct unit_test_state *uts, int expected,
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const char *part_str, bool whole)
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{
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struct blk_desc *mmc_dev_desc;
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struct disk_partition part_info;
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ut_asserteq(expected,
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part_get_info_by_dev_and_name_or_num("mmc", part_str,
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&mmc_dev_desc,
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&part_info, whole));
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return 0;
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}
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static int dm_test_part(struct unit_test_state *uts)
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{
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char *oldbootdevice;
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char str_disk_guid[UUID_STR_LEN + 1];
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int ret;
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struct blk_desc *mmc_dev_desc;
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struct disk_partition parts[2] = {
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{
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.start = 48, /* GPT data takes up the first 34 blocks or so */
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.size = 1,
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.name = "test1",
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},
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{
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.start = 49,
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.size = 1,
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.name = "test2",
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},
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};
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ut_asserteq(1, blk_get_device_by_str("mmc", "1", &mmc_dev_desc));
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if (CONFIG_IS_ENABLED(RANDOM_UUID)) {
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gen_rand_uuid_str(parts[0].uuid, UUID_STR_FORMAT_STD);
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gen_rand_uuid_str(parts[1].uuid, UUID_STR_FORMAT_STD);
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gen_rand_uuid_str(str_disk_guid, UUID_STR_FORMAT_STD);
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}
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ut_assertok(gpt_restore(mmc_dev_desc, str_disk_guid, parts,
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ARRAY_SIZE(parts)));
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oldbootdevice = env_get("bootdevice");
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#define test(expected, part_str, whole) do { \
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ret = do_test(uts, expected, part_str, whole); \
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if (ret) \
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goto out; \
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} while (0)
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env_set("bootdevice", NULL);
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test(-ENODEV, NULL, true);
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test(-ENODEV, "", true);
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env_set("bootdevice", "0");
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test(0, NULL, true);
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test(0, "", true);
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env_set("bootdevice", "1");
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test(1, NULL, false);
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test(1, "", false);
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test(1, "-", false);
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env_set("bootdevice", "");
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test(-EPROTONOSUPPORT, "0", false);
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test(0, "0", true);
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test(0, ":0", true);
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test(0, ".0", true);
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test(0, ".0:0", true);
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test(-EINVAL, "#test1", true);
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test(1, "1", false);
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test(1, "1", true);
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test(-ENOENT, "1:0", false);
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test(0, "1:0", true);
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test(1, "1:1", false);
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test(2, "1:2", false);
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test(1, "1.0", false);
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test(0, "1.0:0", true);
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test(1, "1.0:1", false);
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test(2, "1.0:2", false);
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test(-EINVAL, "1#bogus", false);
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test(1, "1#test1", false);
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test(2, "1#test2", false);
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ret = 0;
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out:
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env_set("bootdevice", oldbootdevice);
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return ret;
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}
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DM_TEST(dm_test_part, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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