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libfdt: Fix use of uninitialized variable in fdt_get_path()

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My recent implemenetation of fdt_get_path() had a bug - the while loop
tested offset which was unitialized on the first iteration.  Depending
on code surrounding the call, this could cause fdt_get_path() to
return incorrect results.

This patch corrects the problem by applying some more correct thinking
to the loop condition.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
David Gibson 2007-08-31 14:30:16 +10:00 • committed by Jon Loeliger
parent 7ca330865e
commit e2b3bb3227
1 changed files with 1 additions and 1 deletions
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2
libfdt/fdt_ro.c
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@ -302,7 +302,7 @@ int fdt_get_path(const void *fdt, int nodeoffset, char *buf, int buflen)
buf[0] = '/';
p = 1;
while (offset < nodeoffset) {
while (nextoffset <= nodeoffset) {
offset = nextoffset;
tag = _fdt_next_tag(fdt, offset, &nextoffset);
switch (tag) {