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The current implementation of fdt_get_path() has a couple of bugs, fixed by this patch. First, contrary to its documentation, on success it returns the length of the node's path, rather than 0. The testcase is correspondingly wrong, and the patch fixes this as well. Second, in some circumstances, it will return -FDT_ERR_BADOFFSET instead of -FDT_ERR_NOSPACE when given insufficient buffer space. Specifically this happens when there is insufficient space even to hold the path's second last component. This behaviour is corrected, and the testcase updated to check it. Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The libfdt functionality was written by David Gibson. The original source came from the git repository: URL: git://ozlabs.org/home/dgibson/git/libfdt.git author David Gibson <dgibson@sneetch.(none)> Fri, 23 Mar 2007 04:16:54 +0000 (15:16 +1100) committer David Gibson <dgibson@sneetch.(none)> Fri, 23 Mar 2007 04:16:54 +0000 (15:16 +1100) commit 857f54e79f74429af20c2b5ecc00ee98af6a3b8b tree 2f648f0f88225a51ded452968d28b4402df8ade0 parent 07a12a08005f3b5cd9337900a6551e450c07b515 To adapt for u-boot usage, only the applicable files were copied and imported into the u-boot git repository. Omitted: * GPL - u-boot comes with a copy of the GPL license * test subdirectory - not directly useful for u-boot After importing, other customizations were performed. See the git log for details. Jerry Van Baren