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powerpc/boot: Allocate more memory for dtb 

David Gibson suggested that since we are now unconditionally copying
the dtb into a malloc()ed buffer, it would be sensible to add a little
padding to the buffer at that point, so that further device tree
manipulations won't need to reallocate it.

This implements that suggestion.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Sebastian Siewior 2008-11-01 10:00:56 +00:00 committed by Paul Mackerras
parent 7d4320f3d5
commit 5b4d218944
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/boot/libfdt-wrapper.c
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@ -185,7 +185,7 @@ void fdt_init(void *blob)
/* Make sure the dt blob is the right version and so forth */
fdt = blob;
bufsize = fdt_totalsize(fdt) + 4;
bufsize = fdt_totalsize(fdt) + EXPAND_GRANULARITY;
buf = malloc(bufsize);
if(!buf)
fatal("malloc failed. can't relocate the device tree\n\r");