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utilfdt_read: pass back up the length of data read

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For a follow up commit, we want to be able to scan the buffer that was
returned to us.  In order to do that safely, we need to know how big
the buffer actually is, so pass that back if requested.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2013-04-10 14:29:07 -04:00 • committed by Jon Loeliger
parent f8cb5dd949
commit cc2c178727
5 changed files with 12 additions and 8 deletions
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2
fdtput.c
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@ -239,7 +239,7 @@ static int do_fdtput(struct display_info *disp, const char *filename,
char *blob;
int len, ret = 0;
blob = utilfdt_read(filename);
blob = utilfdt_read(filename, NULL);
if (!blob)
return -1;