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watchdog: mpc8xxx_wdt convert to watchdog core
[cascardo/linux.git]
/
drivers
/
of
/
device.c
diff --git
a/drivers/of/device.c
b/drivers/of/device.c
index
f685e55
..
dafb973
100644
(file)
--- a/
drivers/of/device.c
+++ b/
drivers/of/device.c
@@
-85,6
+85,9
@@
ssize_t of_device_get_modalias(struct device *dev, char *str, ssize_t len)
int cplen, i;
ssize_t tsize, csize, repend;
+ if ((!dev) || (!dev->of_node))
+ return -ENODEV;
+
/* Name & Type */
csize = snprintf(str, len, "of:N%sT%s", dev->of_node->name,
dev->of_node->type);