Commit fc59b447 authored by Grant Likely's avatar Grant Likely
Browse files

of: Don't try to search when phandle == 0 



A value of '0' isn't a valid phandle, so searching for a node with that
phandle is pointless. It will result in nothing but false positives.

Signed-off-by: default avatarGrant Likely <grant.likely@linaro.org>
parent f2051d6a

drivers/of/base.c

+3 −0
Original line number Diff line number Diff line
@@ -1021,6 +1021,9 @@ struct device_node *of_find_node_by_phandle(phandle handle) 
	struct device_node *np;

	unsigned long flags;



	if (!handle)

		return NULL;



	raw_spin_lock_irqsave(&devtree_lock, flags);

	for (np = of_allnodes; np; np = np->allnext)

		if (np->phandle == handle)