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hwspinlock: u8500_hsem: Use devm_kzalloc() to allocate memory

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Use devm_kzalloc() to allocate memory.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Baolin Wang 2019-09-27 16:27:42 +08:00 committed by Bjorn Andersson
parent 5ee45e0c89
commit 637bcd19be
1 changed files with 6 additions and 9 deletions
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15
drivers/hwspinlock/u8500_hsem.c
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@ -106,7 +106,8 @@ static int u8500_hsem_probe(struct platform_device *pdev)
/* clear all interrupts */
writel(0xFFFF, io_base + HSEM_ICRALL);
bank = kzalloc(struct_size(bank, lock, num_locks), GFP_KERNEL);
bank = devm_kzalloc(&pdev->dev, struct_size(bank, lock, num_locks),
GFP_KERNEL);
if (!bank)
return -ENOMEM;
@ -120,15 +121,12 @@ static int u8500_hsem_probe(struct platform_device *pdev)
ret = hwspin_lock_register(bank, &pdev->dev, &u8500_hwspinlock_ops,
pdata->base_id, num_locks);
if (ret)
goto reg_fail;
if (ret) {
pm_runtime_disable(&pdev->dev);
return ret;
}
return 0;
reg_fail:
pm_runtime_disable(&pdev->dev);
kfree(bank);
return ret;
}
static int u8500_hsem_remove(struct platform_device *pdev)
@ -147,7 +145,6 @@ static int u8500_hsem_remove(struct platform_device *pdev)
}
pm_runtime_disable(&pdev->dev);
kfree(bank);
return 0;
}