PM / clk: ensure we don't allocate a -ve size of count clks
It is entirely possible for of_count_phandle_wit_args to
return a -ve error return value so we need to check for this
otherwise we end up allocating a negative number of clk objects.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c
index 0e64a1b..3657ac1 100644
--- a/drivers/base/power/clock_ops.c
+++ b/drivers/base/power/clock_ops.c
@@ -159,7 +159,7 @@
count = of_count_phandle_with_args(dev->of_node, "clocks",
"#clock-cells");
- if (count == 0)
+ if (count <= 0)
return -ENODEV;
clks = kcalloc(count, sizeof(*clks), GFP_KERNEL);