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authorScott Wood <scottwood@freescale.com>2007-03-12 14:41:45 -0600
committerPaul Mackerras <paulus@samba.org>2007-03-13 21:15:50 +1100
commitc8aa72633e65c5c215b0cdd9970642e2a4f9a9a3 (patch)
tree05e7ea880e68580fe654c1d4f6e50c0f52acc703
parent1c53a496ba6132a37f052aa907e23445b3fe928c (diff)
downloadblackbird-op-linux-c8aa72633e65c5c215b0cdd9970642e2a4f9a9a3.tar.gz
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[POWERPC] bootwrapper: Make ft_get_phandle() accept and return NULL.
Currently, if ft_get_phandle() is passed NULL it will allocate an entry for it and return a non-NULL phandle. This patch makes it simply pass the NULL through. Signed-off-by: Scott Wood <scottwood@freescale.com> Acked-by: Mark A. Greer <mgreer@mvista.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
-rw-r--r--arch/powerpc/boot/flatdevtree.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/boot/flatdevtree.c b/arch/powerpc/boot/flatdevtree.c
index 971420af08d4..6c1877358aed 100644
--- a/arch/powerpc/boot/flatdevtree.c
+++ b/arch/powerpc/boot/flatdevtree.c
@@ -40,6 +40,9 @@ static void *ft_get_phandle(struct ft_cxt *cxt, char *node)
{
unsigned int i;
+ if (!node)
+ return NULL;
+
for (i = 1; i < cxt->nodes_used; i++) /* already there? */
if (cxt->node_tbl[i] == node)
return (void *)i;
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