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hwspinlock: omap: Use devm_kzalloc() to allocate memory 

Use devm_kzalloc() to allocate memory, which can simplify the error
handling.

Signed-off-by: Baolin Wang <baolin.wang7@gmail.com>
Link: https://lore.kernel.org/r/c066ad704c1a5fd52c3002cac80ddd59b3901b01.1578453062.git.baolin.wang7@gmail.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Baolin Wang 2020-01-08 11:14:00 +08:00 committed by Bjorn Andersson
parent bf2740068a
commit 42f291ebfd
1 changed files with 3 additions and 5 deletions
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8
drivers/hwspinlock/omap_hwspinlock.c
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@ -119,7 +119,8 @@ static int omap_hwspinlock_probe(struct platform_device *pdev)
num_locks = i * 32; /* actual number of locks in this device */
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) {
ret = -ENOMEM;
goto runtime_err;
@ -133,15 +134,13 @@ static int omap_hwspinlock_probe(struct platform_device *pdev)
ret = hwspin_lock_register(bank, &pdev->dev, &omap_hwspinlock_ops,
base_id, num_locks);
if (ret)
goto reg_fail;
goto runtime_err;
dev_dbg(&pdev->dev, "Registered %d locks with HwSpinlock core\n",
num_locks);
return 0;
reg_fail:
kfree(bank);
runtime_err:
pm_runtime_disable(&pdev->dev);
return ret;
@ -159,7 +158,6 @@ static int omap_hwspinlock_remove(struct platform_device *pdev)
}
pm_runtime_disable(&pdev->dev);
kfree(bank);
return 0;
}