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soc: qcom: smp2p: Use common error handling code in qcom_smp2p_probe()

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* Add a jump target so that a specific error message is stored only once
  at the end of this function implementation.

* Replace two calls of the function "dev_err" by goto statements.

* Adjust two condition checks.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
This commit is contained in:
Markus Elfring 2017-11-02 19:27:33 +01:00 committed by Andy Gross
parent 3830d0771e
commit c01fc2275e
1 changed files with 8 additions and 8 deletions
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16
drivers/soc/qcom/smp2p.c
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@ -473,17 +473,13 @@ static int qcom_smp2p_probe(struct platform_device *pdev)
key = "qcom,local-pid"; key = "qcom,local-pid";
ret = of_property_read_u32(pdev->dev.of_node, key, &smp2p->local_pid); ret = of_property_read_u32(pdev->dev.of_node, key, &smp2p->local_pid);
if (ret < 0) { if (ret)
dev_err(&pdev->dev, "failed to read %s\n", key); goto report_read_failure;
return -EINVAL;
}
key = "qcom,remote-pid"; key = "qcom,remote-pid";
ret = of_property_read_u32(pdev->dev.of_node, key, &smp2p->remote_pid); ret = of_property_read_u32(pdev->dev.of_node, key, &smp2p->remote_pid);
if (ret < 0) { if (ret)
dev_err(&pdev->dev, "failed to read %s\n", key); goto report_read_failure;
return -EINVAL;
}
irq = platform_get_irq(pdev, 0); irq = platform_get_irq(pdev, 0);
if (irq < 0) { if (irq < 0) {
@ -566,6 +562,10 @@ release_mbox:
mbox_free_channel(smp2p->mbox_chan); mbox_free_channel(smp2p->mbox_chan);
return ret; return ret;
report_read_failure:
dev_err(&pdev->dev, "failed to read %s\n", key);
return -EINVAL;
} }
static int qcom_smp2p_remove(struct platform_device *pdev) static int qcom_smp2p_remove(struct platform_device *pdev)