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'struct ubi_mkvol_request req' is one parameter of the function 'ubi_mkvol'
, this parameter will be passed to kernel and then be checked. It acts as a
local variable in many ubi tests, such as io_basic, io_read, mkvol_bad,
mkvol_basic, etc.
After commit c355aa465fce ("ubi: expose the volume CRC check skip flag") in
linux-stable, 'struct ubi_mkvol_request' supports a new configuration named
'flags', and req.flags will be checked in kernel function
'verify_mkvol_req'. Currently, there is no initialization for req.flags
before 'ubi_mkvol' invoked. So, req.flags can be an arbitrary number passed
to kernel. When we run ubi tests in qemu (x86_64, kernel image: 5.2.0-rc4),
the following errors may occur:
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Test on mtdram, fastmap enabled, VID header offset factor 1
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mtdram: 16MiB, PEB size 16KiB, fastmap enabled
Running mkvol_basic /dev/ubi0
Running mkvol_bad /dev/ubi0
[mkvol_bad] test_mkvol():105: ubi_mkvol failed with error 22
(Invalid argument), expected 28 (No space left on device)
[mkvol_bad] test_mkvol():105: bytes = 16060929
Error: mkvol_bad failed
FAILURE
This patch fully initializes every 'struct ubi_mkvol_request req' passed to
'ubi_mkvol', which can fix the bug that the ubi test failed caused by that
req.flags was not initialized. And it is still compatible with old kernel
before kernel commit c355aa465fce ("ubi: expose the volume CRC check skip
flag").
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Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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io_read and io_update of mtd-utils use variable-length arrays for test data.
Since this could result in allocating many megabytes using alloca(), switch
to malloc().
Signed-off-by: David Gstir <david@sigma-star.at>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Reviewed-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Sorry, the commit is huge, I just did not have time to split it.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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... to avoid confusion when the local common.h shadows the top-level common.h.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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For consistency with ubi-utils.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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libubi_open interface was changed, but the tests were not
amended. Fix this.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Clean-up ubi-utils a little by moving tests to a proper place.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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