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The standard way of setting an empty property using libfdt is:
fdt_setprop(fdt, nodeoffset, propname, NULL, 0);
However, the implementation of this includes an unconditional:
memcpy(prop->data, NULL, 0);
Which although it will be a no-op (which is what we want) on many platforms
is technically undefined behaviour. Correct this, so that when passing
a 0 length, passing a NULL pointer as the value to fdt_setprop() is
definitely safe. This should quiet static checkers which complain about
this.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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| .. | ||
| fdt.c | ||
| fdt.h | ||
| fdt_addresses.c | ||
| fdt_empty_tree.c | ||
| fdt_overlay.c | ||
| fdt_ro.c | ||
| fdt_rw.c | ||
| fdt_strerror.c | ||
| fdt_sw.c | ||
| fdt_wip.c | ||
| libfdt.h | ||
| libfdt_env.h | ||
| libfdt_internal.h | ||
| Makefile.libfdt | ||
| TODO | ||
| version.lds | ||