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libfdt: Add support for disabling internal checks

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If libfdt returns -FDT_ERR_INTERNAL that generally indicates a bug in the
library. Add a new assumption for these cases since it should be save to
disable these checks regardless of the input.

Signed-off-by: Simon Glass <sjg@chromium.org>
Suggested-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20200302190255.51426-3-sjg@chromium.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Simon Glass
2020-03-02 12:02:54 -07:00
committed by David Gibson
parent 28fd7590aa
commit e5cc26b68b
2 changed files with 11 additions and 2 deletions
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9
libfdt/libfdt_internal.h
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@@ -145,6 +145,15 @@ enum {
* device tree is correctly ordered. See fdt_blocks_misordered_().
*/
ASSUME_LIBFDT_ORDER = 1 << 4,
/*
* This assumes that libfdt itself does not have any internal bugs. It
* drops certain checks that should never be needed unless libfdt has an
* undiscovered bug.
*
* This can generally be considered safe to enable.
*/
ASSUME_LIBFDT_FLAWLESS = 1 << 5,
};
/**