From: Mathieu Poirier <mathieu.poirier@linaro.org> To: gregkh@linuxfoundation.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 05/13] coresight: Consolidate error handling path for tmc_probe Date: Thu, 30 Jun 2016 10:22:11 -0600 [thread overview] Message-ID: <1467303739-12543-6-git-send-email-mathieu.poirier@linaro.org> (raw) In-Reply-To: <1467303739-12543-1-git-send-email-mathieu.poirier@linaro.org> From: Suzuki K Poulose <suzuki.poulose@arm.com> This patch cleans up the error handling path for tmc_probe as a side effect of the removal of the spurious dma_free_coherent(). Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> --- drivers/hwtracing/coresight/coresight-tmc.c | 36 ++++++++++++++--------------- 1 file changed, 17 insertions(+), 19 deletions(-) diff --git a/drivers/hwtracing/coresight/coresight-tmc.c b/drivers/hwtracing/coresight/coresight-tmc.c index 3978cbb6b038..1b47258e01c9 100644 --- a/drivers/hwtracing/coresight/coresight-tmc.c +++ b/drivers/hwtracing/coresight/coresight-tmc.c @@ -309,22 +309,31 @@ static int tmc_probe(struct amba_device *adev, const struct amba_id *id) if (np) { pdata = of_get_coresight_platform_data(dev, np); - if (IS_ERR(pdata)) - return PTR_ERR(pdata); + if (IS_ERR(pdata)) { + ret = PTR_ERR(pdata); + goto out; + } adev->dev.platform_data = pdata; } + ret = -ENOMEM; drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL); if (!drvdata) - return -ENOMEM; + goto out; + + desc = devm_kzalloc(dev, sizeof(*desc), GFP_KERNEL); + if (!desc) + goto out; drvdata->dev = &adev->dev; dev_set_drvdata(dev, drvdata); /* Validity for the resource is already checked by the AMBA core */ base = devm_ioremap_resource(dev, res); - if (IS_ERR(base)) - return PTR_ERR(base); + if (IS_ERR(base)) { + ret = PTR_ERR(base); + goto out; + } drvdata->base = base; @@ -347,12 +356,6 @@ static int tmc_probe(struct amba_device *adev, const struct amba_id *id) pm_runtime_put(&adev->dev); - desc = devm_kzalloc(dev, sizeof(*desc), GFP_KERNEL); - if (!desc) { - ret = -ENOMEM; - goto err_devm_kzalloc; - } - desc->pdata = pdata; desc->dev = dev; desc->subtype.sink_subtype = CORESIGHT_DEV_SUBTYPE_SINK_BUFFER; @@ -373,7 +376,7 @@ static int tmc_probe(struct amba_device *adev, const struct amba_id *id) drvdata->csdev = coresight_register(desc); if (IS_ERR(drvdata->csdev)) { ret = PTR_ERR(drvdata->csdev); - goto err_devm_kzalloc; + goto out; } drvdata->miscdev.name = pdata->name; @@ -381,13 +384,8 @@ static int tmc_probe(struct amba_device *adev, const struct amba_id *id) drvdata->miscdev.fops = &tmc_fops; ret = misc_register(&drvdata->miscdev); if (ret) - goto err_misc_register; - - return 0; - -err_misc_register: - coresight_unregister(drvdata->csdev); -err_devm_kzalloc: + coresight_unregister(drvdata->csdev); +out: return ret; } -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: mathieu.poirier@linaro.org (Mathieu Poirier) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 05/13] coresight: Consolidate error handling path for tmc_probe Date: Thu, 30 Jun 2016 10:22:11 -0600 [thread overview] Message-ID: <1467303739-12543-6-git-send-email-mathieu.poirier@linaro.org> (raw) In-Reply-To: <1467303739-12543-1-git-send-email-mathieu.poirier@linaro.org> From: Suzuki K Poulose <suzuki.poulose@arm.com> This patch cleans up the error handling path for tmc_probe as a side effect of the removal of the spurious dma_free_coherent(). Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> --- drivers/hwtracing/coresight/coresight-tmc.c | 36 ++++++++++++++--------------- 1 file changed, 17 insertions(+), 19 deletions(-) diff --git a/drivers/hwtracing/coresight/coresight-tmc.c b/drivers/hwtracing/coresight/coresight-tmc.c index 3978cbb6b038..1b47258e01c9 100644 --- a/drivers/hwtracing/coresight/coresight-tmc.c +++ b/drivers/hwtracing/coresight/coresight-tmc.c @@ -309,22 +309,31 @@ static int tmc_probe(struct amba_device *adev, const struct amba_id *id) if (np) { pdata = of_get_coresight_platform_data(dev, np); - if (IS_ERR(pdata)) - return PTR_ERR(pdata); + if (IS_ERR(pdata)) { + ret = PTR_ERR(pdata); + goto out; + } adev->dev.platform_data = pdata; } + ret = -ENOMEM; drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL); if (!drvdata) - return -ENOMEM; + goto out; + + desc = devm_kzalloc(dev, sizeof(*desc), GFP_KERNEL); + if (!desc) + goto out; drvdata->dev = &adev->dev; dev_set_drvdata(dev, drvdata); /* Validity for the resource is already checked by the AMBA core */ base = devm_ioremap_resource(dev, res); - if (IS_ERR(base)) - return PTR_ERR(base); + if (IS_ERR(base)) { + ret = PTR_ERR(base); + goto out; + } drvdata->base = base; @@ -347,12 +356,6 @@ static int tmc_probe(struct amba_device *adev, const struct amba_id *id) pm_runtime_put(&adev->dev); - desc = devm_kzalloc(dev, sizeof(*desc), GFP_KERNEL); - if (!desc) { - ret = -ENOMEM; - goto err_devm_kzalloc; - } - desc->pdata = pdata; desc->dev = dev; desc->subtype.sink_subtype = CORESIGHT_DEV_SUBTYPE_SINK_BUFFER; @@ -373,7 +376,7 @@ static int tmc_probe(struct amba_device *adev, const struct amba_id *id) drvdata->csdev = coresight_register(desc); if (IS_ERR(drvdata->csdev)) { ret = PTR_ERR(drvdata->csdev); - goto err_devm_kzalloc; + goto out; } drvdata->miscdev.name = pdata->name; @@ -381,13 +384,8 @@ static int tmc_probe(struct amba_device *adev, const struct amba_id *id) drvdata->miscdev.fops = &tmc_fops; ret = misc_register(&drvdata->miscdev); if (ret) - goto err_misc_register; - - return 0; - -err_misc_register: - coresight_unregister(drvdata->csdev); -err_devm_kzalloc: + coresight_unregister(drvdata->csdev); +out: return ret; } -- 2.7.4
next prev parent reply other threads:[~2016-06-30 16:23 UTC|newest] Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-06-30 16:22 [PATCH 00/13] coresight: next v4.7-rc5 Mathieu Poirier 2016-06-30 16:22 ` Mathieu Poirier 2016-06-30 16:22 ` [PATCH 01/13] coresight: access conn->child_name only if it's initialised Mathieu Poirier 2016-06-30 16:22 ` Mathieu Poirier 2016-06-30 16:22 ` [PATCH 02/13] coresight-stm: support mmapping channel regions with mmio_addr Mathieu Poirier 2016-06-30 16:22 ` Mathieu Poirier 2016-06-30 16:22 ` [PATCH 03/13] coresight: always use stashed trace id value in etm4_trace_id Mathieu Poirier 2016-06-30 16:22 ` Mathieu Poirier 2016-06-30 16:22 ` [PATCH 04/13] coresight: Remove erroneous dma_free_coherent in tmc_probe Mathieu Poirier 2016-06-30 16:22 ` Mathieu Poirier 2016-06-30 16:22 ` Mathieu Poirier [this message] 2016-06-30 16:22 ` [PATCH 05/13] coresight: Consolidate error handling path for tmc_probe Mathieu Poirier 2016-06-30 16:22 ` [PATCH 06/13] coresight: Fix csdev connections initialisation Mathieu Poirier 2016-06-30 16:22 ` Mathieu Poirier 2016-06-30 16:22 ` [PATCH 07/13] coresight: tmc: Limit the trace to available data Mathieu Poirier 2016-06-30 16:22 ` Mathieu Poirier 2016-06-30 16:22 ` [PATCH 08/13] coresight: etmv4: Fix ETMv4x peripheral ID table Mathieu Poirier 2016-06-30 16:22 ` Mathieu Poirier 2016-06-30 16:22 ` [PATCH 09/13] coresight: Cleanup TMC status check Mathieu Poirier 2016-06-30 16:22 ` Mathieu Poirier 2016-06-30 16:22 ` [PATCH 10/13] coresight: Add better messages for coresight_timeout Mathieu Poirier 2016-06-30 16:22 ` Mathieu Poirier 2016-06-30 16:22 ` [PATCH 11/13] coresight: delay initialisation when children are missing Mathieu Poirier 2016-06-30 16:22 ` Mathieu Poirier 2016-06-30 16:22 ` [PATCH 12/13] coresight: document binding acronyms Mathieu Poirier 2016-06-30 16:22 ` Mathieu Poirier 2016-06-30 16:22 ` [PATCH 13/13] coresight: add PM runtime calls to coresight_simple_func() Mathieu Poirier 2016-06-30 16:22 ` Mathieu Poirier
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