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clocksource/drivers/timer-imx-gpt: Fix potential memory leak

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Fix coverity Issue CID 250382:  Resource leak (RESOURCE_LEAK).
Add kfree when error return.

Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20231009083922.1942971-1-ping.bai@nxp.com
This commit is contained in:
Jacky Bai 2023-10-09 16:39:22 +08:00 committed by Daniel Lezcano
parent 078a5babf2
commit 8051a993ce
1 changed files with 13 additions and 5 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

18
drivers/clocksource/timer-imx-gpt.c
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@ -434,12 +434,16 @@ static int __init mxc_timer_init_dt(struct device_node *np, enum imx_gpt_type t
return -ENOMEM; return -ENOMEM;
imxtm->base = of_iomap(np, 0); imxtm->base = of_iomap(np, 0);
if (!imxtm->base) if (!imxtm->base) {
return -ENXIO; ret = -ENXIO;
goto err_kfree;
}
imxtm->irq = irq_of_parse_and_map(np, 0); imxtm->irq = irq_of_parse_and_map(np, 0);
if (imxtm->irq <= 0) if (imxtm->irq <= 0) {
return -EINVAL; ret = -EINVAL;
goto err_kfree;
}
imxtm->clk_ipg = of_clk_get_by_name(np, "ipg"); imxtm->clk_ipg = of_clk_get_by_name(np, "ipg");
@ -452,11 +456,15 @@ static int __init mxc_timer_init_dt(struct device_node *np, enum imx_gpt_type t
ret = _mxc_timer_init(imxtm); ret = _mxc_timer_init(imxtm);
if (ret) if (ret)
return ret; goto err_kfree;
initialized = 1; initialized = 1;
return 0; return 0;
err_kfree:
kfree(imxtm);
return ret;
} }
static int __init imx1_timer_init_dt(struct device_node *np) static int __init imx1_timer_init_dt(struct device_node *np)