[PATCH 4.4 140/149] clk: clk-atlas6: fix return value check in atlas6_clk_init()

From: Greg Kroah-Hartman
Date: Thu Aug 20 2020 - 06:24:08 EST


From: Xu Wang <vulab@xxxxxxxxxxx>

[ Upstream commit 12b90b40854a8461a02ef19f6f4474cc88d64b66 ]

In case of error, the function clk_register() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().

Signed-off-by: Xu Wang <vulab@xxxxxxxxxxx>
Link: https://lore.kernel.org/r/20200713032143.21362-1-vulab@xxxxxxxxxxx
Acked-by: Barry Song <baohua@xxxxxxxxxx>
Fixes: 7bf21bc81f28 ("clk: sirf: re-arch to make the codes support both prima2 and atlas6")
Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/clk/sirf/clk-atlas6.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/sirf/clk-atlas6.c b/drivers/clk/sirf/clk-atlas6.c
index c5eaa9d162476..9af2d0dcd6a0f 100644
--- a/drivers/clk/sirf/clk-atlas6.c
+++ b/drivers/clk/sirf/clk-atlas6.c
@@ -137,7 +137,7 @@ static void __init atlas6_clk_init(struct device_node *np)

for (i = pll1; i < maxclk; i++) {
atlas6_clks[i] = clk_register(NULL, atlas6_clk_hw_array[i]);
- BUG_ON(!atlas6_clks[i]);
+ BUG_ON(IS_ERR(atlas6_clks[i]));
}
clk_register_clkdev(atlas6_clks[cpu], NULL, "cpu");
clk_register_clkdev(atlas6_clks[io], NULL, "io");
--
2.25.1