[PATCH 6.1 0266/1146] clk: renesas: r9a06g032: Repair grave increment error

Greg Kroah-Hartman
2022-12-28T15:34:09Z

From: Marek Vasut <marex@denx.de>

[ Upstream commit 02693e11611e082e3c4d8653e8af028e43d31164 ]

If condition (clkspec.np != pd->dev.of_node) is true, then the driver
ends up in an endless loop, forever, locking up the machine.

Fixes: aad03a66f902 ("clk: renesas: r9a06g032: Add clock domain support")
Reviewed-by: Ralph Siemsen <ralph.siemsen@linaro.org>
Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Gareth Williams <gareth.williams.jx@renesas.com>
Link: https://lore.kernel.org/r/20221028113834.7496-1-marex@denx.de
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/clk/renesas/r9a06g032-clocks.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/clk/renesas/r9a06g032-clocks.c b/drivers/clk/renesas/r9a06g032-clocks.c
index 1488c9d6e639..983faa5707b9 100644
--- a/drivers/clk/renesas/r9a06g032-clocks.c
+++ b/drivers/clk/renesas/r9a06g032-clocks.c
@@ -412,7 +412,7 @@ static int r9a06g032_attach_dev(struct generic_pm_domain *pd,
int error;
int index;

- while (!of_parse_phandle_with_args(np, "clocks", "#clock-cells", i,
+ while (!of_parse_phandle_with_args(np, "clocks", "#clock-cells", i++,
&clkspec)) {
if (clkspec.np != pd->dev.of_node)
continue;
@@ -425,7 +425,6 @@ static int r9a06g032_attach_dev(struct generic_pm_domain *pd,
if (error)
return error;
}
- i++;
}

return 0;
--
2.35.1