The clk_set_rate function dereferences the clk pointer without
checking whether it is NULL. This may cause problem when clk is NULL.
Signed-off-by: Peng Fan <peng....@nxp.com>
---
drivers/video/ipu_common.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/video/ipu_common.c b/drivers/video/ipu_common.c
index 96229da502..b3b09e6982 100644
--- a/drivers/video/ipu_common.c
+++ b/drivers/video/ipu_common.c
@@ -134,6 +134,10 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
{
if (clk && clk->set_rate)
clk->set_rate(clk, rate);
+
+ if (!clk)
+ return 0;
+
return clk->rate;
}
--
2.14.1
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