From: Shixin Liu <liushixin2@huawei.com> To: Corentin Labbe <clabbe.montjoie@gmail.com>, Herbert Xu <herbert@gondor.apana.org.au>, "David S. Miller" <davem@davemloft.net>, Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>, "Jernej Skrabec" <jernej.skrabec@siol.net> Cc: <linux-crypto@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-sunxi@lists.linux.dev>, <linux-kernel@vger.kernel.org>, Shixin Liu <liushixin2@huawei.com> Subject: [PATCH -next 3/7] crypto: sun8i-ce - Fix PM reference leak in sun8i_ce_probe() Date: Thu, 8 Apr 2021 15:18:33 +0800 [thread overview] Message-ID: <20210408071833.836741-1-liushixin2@huawei.com> (raw) 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> --- drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c index 158422ff5695..00194d1d9ae6 100644 --- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c +++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c @@ -932,7 +932,7 @@ static int sun8i_ce_probe(struct platform_device *pdev) if (err) goto error_alg; - err = pm_runtime_get_sync(ce->dev); + err = pm_runtime_resume_and_get(ce->dev); if (err < 0) goto error_alg; -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Shixin Liu <liushixin2@huawei.com> To: Corentin Labbe <clabbe.montjoie@gmail.com>, Herbert Xu <herbert@gondor.apana.org.au>, "David S. Miller" <davem@davemloft.net>, Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>, "Jernej Skrabec" <jernej.skrabec@siol.net> Cc: <linux-crypto@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-sunxi@lists.linux.dev>, <linux-kernel@vger.kernel.org>, Shixin Liu <liushixin2@huawei.com> Subject: [PATCH -next 3/7] crypto: sun8i-ce - Fix PM reference leak in sun8i_ce_probe() Date: Thu, 8 Apr 2021 15:18:33 +0800 [thread overview] Message-ID: <20210408071833.836741-1-liushixin2@huawei.com> (raw) 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> --- drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c index 158422ff5695..00194d1d9ae6 100644 --- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c +++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c @@ -932,7 +932,7 @@ static int sun8i_ce_probe(struct platform_device *pdev) if (err) goto error_alg; - err = pm_runtime_get_sync(ce->dev); + err = pm_runtime_resume_and_get(ce->dev); if (err < 0) goto error_alg; -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2021-04-08 7:19 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-08 7:18 Shixin Liu [this message] 2021-04-08 7:18 ` [PATCH -next 3/7] crypto: sun8i-ce - Fix PM reference leak in sun8i_ce_probe() Shixin Liu
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