crypto: stm32/cryp - Fix PM reference leak on stm32-cryp.c
pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in reference leak here. Fix it by replacing it with pm_runtime_resume_and_get to keep usage counter balanced. Signed-off-by: Shixin Liu <liushixin2@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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1cb3ad7019
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747bf30fd9
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@ -542,7 +542,7 @@ static int stm32_cryp_hw_init(struct stm32_cryp *cryp)
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int ret;
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u32 cfg, hw_mode;
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pm_runtime_get_sync(cryp->dev);
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pm_runtime_resume_and_get(cryp->dev);
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/* Disable interrupt */
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stm32_cryp_write(cryp, CRYP_IMSCR, 0);
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@ -2043,7 +2043,7 @@ static int stm32_cryp_remove(struct platform_device *pdev)
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if (!cryp)
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return -ENODEV;
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ret = pm_runtime_get_sync(cryp->dev);
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ret = pm_runtime_resume_and_get(cryp->dev);
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if (ret < 0)
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return ret;
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