[PATCH 6.0 0355/1073] clk: imx93: unmap anatop base in error handling path

Greg Kroah-Hartman
2022-12-28T15:40:23Z

From: Peng Fan <peng.fan@nxp.com>

[ Upstream commit bda7b7f396f94d8df89ecacc88f2826908e8762c ]

The anatop base is not unmapped during error handling path, fix it.

Fixes: 24defbe194b6 ("clk: imx: add i.MX93 clk")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20221028095211.2598312-2-peng.fan@oss.nxp.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/clk/imx/clk-imx93.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/clk/imx/clk-imx93.c b/drivers/clk/imx/clk-imx93.c
index 4d2524addc3e..8d67b065f7b6 100644
--- a/drivers/clk/imx/clk-imx93.c
+++ b/drivers/clk/imx/clk-imx93.c
@@ -247,7 +247,7 @@ static int imx93_clocks_probe(struct platform_device *pdev)
struct device_node *np = dev->of_node;
const struct imx93_clk_root *root;
const struct imx93_clk_ccgr *ccgr;
- void __iomem *base = NULL;
+ void __iomem *base, *anatop_base;
int i, ret;

clk_hw_data = kzalloc(struct_size(clk_hw_data, hws,
@@ -274,20 +274,22 @@ static int imx93_clocks_probe(struct platform_device *pdev)
"sys_pll_pfd2", 1, 2);

np = of_find_compatible_node(NULL, NULL, "fsl,imx93-anatop");
- base = of_iomap(np, 0);
+ anatop_base = of_iomap(np, 0);
of_node_put(np);
- if (WARN_ON(!base))
+ if (WARN_ON(!anatop_base))
return -ENOMEM;

- clks[IMX93_CLK_AUDIO_PLL] = imx_clk_fracn_gppll("audio_pll", "osc_24m", base + 0x1200,
+ clks[IMX93_CLK_AUDIO_PLL] = imx_clk_fracn_gppll("audio_pll", "osc_24m", anatop_base + 0x1200,
&imx_fracn_gppll);
- clks[IMX93_CLK_VIDEO_PLL] = imx_clk_fracn_gppll("video_pll", "osc_24m", base + 0x1400,
+ clks[IMX93_CLK_VIDEO_PLL] = imx_clk_fracn_gppll("video_pll", "osc_24m", anatop_base + 0x1400,
&imx_fracn_gppll);

np = dev->of_node;
base = devm_platform_ioremap_resource(pdev, 0);
- if (WARN_ON(IS_ERR(base)))
+ if (WARN_ON(IS_ERR(base))) {
+ iounmap(anatop_base);
return PTR_ERR(base);
+ }

for (i = 0; i < ARRAY_SIZE(root_array); i++) {
root = &root_array[i];
@@ -317,6 +319,7 @@ static int imx93_clocks_probe(struct platform_device *pdev)

unregister_hws:
imx_unregister_hw_clocks(clks, IMX93_CLK_END);
+ iounmap(anatop_base);

return ret;
}
--
2.35.1