* [PATCH] of: Check for NULL pointer in of_find_property
@ 2012-10-25 15:56 Sascha Hauer
0 siblings, 0 replies; only message in thread
From: Sascha Hauer @ 2012-10-25 15:56 UTC (permalink / raw)
To: barebox
The console layer calls of_device_is_stdout_path for a new console. When
we are booting without devicetree then of_chosen is NULL which makes barebox
crash. Check for a NULL pointer in of_find_property to prevent this.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
drivers/of/base.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 5853826..7a41618 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -106,6 +106,9 @@ struct property *of_find_property(const struct device_node *node, const char *na
{
struct property *p;
+ if (!node)
+ return NULL;
+
list_for_each_entry(p, &node->properties, list)
if (!strcmp(p->name, name))
return p;
--
1.7.10.4
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