From: Tudor Ambarus <tudor.ambarus@microchip.com> To: <vkoul@kernel.org>, <peda@axentia.se>, <du@axentia.se>, <regressions@leemhuis.info> Cc: <ludovic.desroches@microchip.com>, <maciej.sosnowski@intel.com>, <tudor.ambarus@microchip.com>, <dan.j.williams@intel.com>, <nicolas.ferre@microchip.com>, <mripard@kernel.org>, <torfl6749@gmail.com>, <linux-kernel@vger.kernel.org>, <dmaengine@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org> Subject: [PATCH 30/33] dmaengine: at_hdmac: Check return code of dma_async_device_register Date: Sat, 20 Aug 2022 15:57:14 +0300 [thread overview] Message-ID: <20220820125717.588722-31-tudor.ambarus@microchip.com> (raw) In-Reply-To: <20220820125717.588722-1-tudor.ambarus@microchip.com> dma_async_device_register() can fail, check the return code and display an error. Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> --- drivers/dma/at_hdmac.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 042c7cba74bb..0b473e6d161d 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -2353,7 +2353,11 @@ static int __init at_dma_probe(struct platform_device *pdev) dma_has_cap(DMA_SLAVE, atdma->dma_device.cap_mask) ? "slave " : "", plat_dat->nr_channels); - dma_async_device_register(&atdma->dma_device); + err = dma_async_device_register(&atdma->dma_device); + if (err) { + dev_err(&pdev->dev, "Unable to register: %d.\n", err); + goto err_dma_async_device_register; + } /* * Do not return an error if the dmac node is not present in order to @@ -2373,6 +2377,7 @@ static int __init at_dma_probe(struct platform_device *pdev) err_of_dma_controller_register: dma_async_device_unregister(&atdma->dma_device); +err_dma_async_device_register: dma_pool_destroy(atdma->memset_pool); err_memset_pool_create: dma_pool_destroy(atdma->dma_desc_pool); -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Tudor Ambarus <tudor.ambarus@microchip.com> To: <vkoul@kernel.org>, <peda@axentia.se>, <du@axentia.se>, <regressions@leemhuis.info> Cc: tudor.ambarus@microchip.com, linux-kernel@vger.kernel.org, maciej.sosnowski@intel.com, mripard@kernel.org, torfl6749@gmail.com, ludovic.desroches@microchip.com, dmaengine@vger.kernel.org, dan.j.williams@intel.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH 30/33] dmaengine: at_hdmac: Check return code of dma_async_device_register Date: Sat, 20 Aug 2022 15:57:14 +0300 [thread overview] Message-ID: <20220820125717.588722-31-tudor.ambarus@microchip.com> (raw) In-Reply-To: <20220820125717.588722-1-tudor.ambarus@microchip.com> dma_async_device_register() can fail, check the return code and display an error. Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> --- drivers/dma/at_hdmac.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 042c7cba74bb..0b473e6d161d 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -2353,7 +2353,11 @@ static int __init at_dma_probe(struct platform_device *pdev) dma_has_cap(DMA_SLAVE, atdma->dma_device.cap_mask) ? "slave " : "", plat_dat->nr_channels); - dma_async_device_register(&atdma->dma_device); + err = dma_async_device_register(&atdma->dma_device); + if (err) { + dev_err(&pdev->dev, "Unable to register: %d.\n", err); + goto err_dma_async_device_register; + } /* * Do not return an error if the dmac node is not present in order to @@ -2373,6 +2377,7 @@ static int __init at_dma_probe(struct platform_device *pdev) err_of_dma_controller_register: dma_async_device_unregister(&atdma->dma_device); +err_dma_async_device_register: dma_pool_destroy(atdma->memset_pool); err_memset_pool_create: dma_pool_destroy(atdma->dma_desc_pool); -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-08-20 13:01 UTC|newest] Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-08-20 12:56 [PATCH 00/33] dmaengine: at_hdmac: Fix concurrency bugs and then convert to virt-dma Tudor Ambarus 2022-08-20 12:56 ` Tudor Ambarus 2022-08-20 12:56 ` [PATCH 01/33] dmaengine: at_hdmac: Keep register definitions and structures private to at_hdmac.c Tudor Ambarus 2022-08-20 12:56 ` Tudor Ambarus 2022-08-20 12:56 ` [PATCH 02/33] dmaengine: at_hdmac: Use bitfield access macros Tudor Ambarus 2022-08-20 12:56 ` Tudor Ambarus 2022-08-20 12:56 ` [PATCH 03/33] dmaengine: at_hdmac: Rename "dma_common" to "dma_device" Tudor Ambarus 2022-08-20 12:56 ` Tudor Ambarus 2022-08-20 12:56 ` [PATCH 04/33] dmaengine: at_hdmac: Rename "chan_common" to "dma_chan" Tudor Ambarus 2022-08-20 12:56 ` Tudor Ambarus 2022-08-20 12:56 ` [PATCH 05/33] dmaengine: at_hdmac: Remove unused member of at_dma_chan Tudor Ambarus 2022-08-20 12:56 ` Tudor Ambarus 2022-08-20 12:56 ` [PATCH 06/33] dmaengine: at_hdmac: Return dma_cookie_status()'s ret code when txstate is NULL Tudor Ambarus 2022-08-20 12:56 ` Tudor Ambarus 2022-08-20 12:56 ` [PATCH 07/33] dmaengine: at_hdmac: Fix at_lli struct definition Tudor Ambarus 2022-08-20 12:56 ` Tudor Ambarus 2022-10-19 16:38 ` Vinod Koul 2022-10-19 16:38 ` Vinod Koul 2022-10-20 7:08 ` Tudor.Ambarus 2022-10-20 7:08 ` Tudor.Ambarus 2022-08-20 12:56 ` [PATCH 08/33] dmaengine: at_hdmac: Don't start transactions at tx_submit level Tudor Ambarus 2022-08-20 12:56 ` Tudor Ambarus 2022-08-20 12:56 ` [PATCH 09/33] dmaengine: at_hdmac: Start transfer for cyclic channels in issue_pending Tudor Ambarus 2022-08-20 12:56 ` Tudor Ambarus 2022-08-20 12:56 ` [PATCH 10/33] dmaengine: at_hdmac: Fix premature completion of desc " Tudor Ambarus 2022-08-20 12:56 ` Tudor Ambarus 2022-08-20 12:56 ` [PATCH 11/33] dmaengine: at_hdmac: Do not call the complete callback on device_terminate_all Tudor Ambarus 2022-08-20 12:56 ` Tudor Ambarus 2022-08-20 12:56 ` [PATCH 12/33] dmaengine: at_hdmac: Protect atchan->status with the channel lock Tudor Ambarus 2022-08-20 12:56 ` Tudor Ambarus 2022-08-20 12:56 ` [PATCH 13/33] dmaengine: at_hdmac: Fix concurrency problems by removing atc_complete_all() Tudor Ambarus 2022-08-20 12:56 ` Tudor Ambarus 2022-08-20 12:56 ` [PATCH 14/33] dmaengine: at_hdmac: Fix concurrency over descriptor Tudor Ambarus 2022-08-20 12:56 ` Tudor Ambarus 2022-08-20 12:56 ` [PATCH 15/33] dmaengine: at_hdmac: Free the memset buf without holding the chan lock Tudor Ambarus 2022-08-20 12:56 ` Tudor Ambarus 2022-08-20 12:57 ` [PATCH 16/33] dmaengine: at_hdmac: Fix concurrency over the active list Tudor Ambarus 2022-08-20 12:57 ` Tudor Ambarus 2022-08-20 12:57 ` [PATCH 17/33] dmaengine: at_hdmac: Fix descriptor handling when issuing it to hardware Tudor Ambarus 2022-08-20 12:57 ` Tudor Ambarus 2022-08-20 12:57 ` [PATCH 18/33] dmaengine: at_hdmac: Fix completion of unissued descriptor in case of errors Tudor Ambarus 2022-08-20 12:57 ` Tudor Ambarus 2022-08-20 12:57 ` [PATCH 19/33] dmaengine: at_hdmac: Don't allow CPU to reorder channel enable Tudor Ambarus 2022-08-20 12:57 ` Tudor Ambarus 2022-08-20 12:57 ` [PATCH 20/33] dmaengine: at_hdmac: Do not print messages on console while holding the lock Tudor Ambarus 2022-08-20 12:57 ` Tudor Ambarus 2022-08-20 12:57 ` [PATCH 21/33] dmaengine: at_hdmac: Fix impossible condition Tudor Ambarus 2022-08-20 12:57 ` Tudor Ambarus 2022-08-20 12:57 ` [PATCH 22/33] dmaengine: at_hdmac: Pass residue by address to avoid unneccessary implicit casts Tudor Ambarus 2022-08-20 12:57 ` Tudor Ambarus 2022-08-20 12:57 ` [PATCH 23/33] dmaengine: at_hdmac: s/atc_get_bytes_left/atc_get_residue Tudor Ambarus 2022-08-20 12:57 ` Tudor Ambarus 2022-08-20 12:57 ` [PATCH 24/33] dmaengine: at_hdmac: Introduce atc_get_llis_residue() Tudor Ambarus 2022-08-20 12:57 ` Tudor Ambarus 2022-08-20 12:57 ` [PATCH 25/33] dmaengine: at_hdmac: Remove superfluous cast Tudor Ambarus 2022-08-20 12:57 ` Tudor Ambarus 2022-08-20 12:57 ` [PATCH 26/33] dmaengine: at_hdmac: Use devm_kzalloc() and struct_size() Tudor Ambarus 2022-08-20 12:57 ` Tudor Ambarus 2022-08-20 12:57 ` [PATCH 27/33] dmaengine: at_hdmac: Use devm_platform_ioremap_resource Tudor Ambarus 2022-08-20 12:57 ` Tudor Ambarus 2022-08-20 12:57 ` [PATCH 28/33] dmaengine: at_hdmac: Use devm_request_irq() Tudor Ambarus 2022-08-20 12:57 ` Tudor Ambarus 2022-10-19 16:49 ` Vinod Koul 2022-10-19 16:49 ` Vinod Koul 2022-10-20 7:24 ` Tudor.Ambarus 2022-10-20 7:24 ` Tudor.Ambarus 2022-08-20 12:57 ` [PATCH 29/33] dmaengine: at_hdmac: Use devm_clk_get() Tudor Ambarus 2022-08-20 12:57 ` Tudor Ambarus 2022-08-20 12:57 ` Tudor Ambarus [this message] 2022-08-20 12:57 ` [PATCH 30/33] dmaengine: at_hdmac: Check return code of dma_async_device_register Tudor Ambarus 2022-08-20 12:57 ` [PATCH 31/33] dmaengine: at_hdmac: Use pm_ptr() Tudor Ambarus 2022-08-20 12:57 ` Tudor Ambarus 2022-10-19 16:50 ` Vinod Koul 2022-10-19 16:50 ` Vinod Koul 2022-10-20 7:10 ` Tudor.Ambarus 2022-10-20 7:10 ` Tudor.Ambarus 2022-08-20 12:57 ` [PATCH 32/33] dmaengine: at_hdmac: Set include entries in alphabetic order Tudor Ambarus 2022-08-20 12:57 ` Tudor Ambarus 2022-08-20 12:57 ` [PATCH 33/33] dmaengine: at_hdmac: Convert driver to use virt-dma Tudor Ambarus 2022-08-20 12:57 ` Tudor Ambarus
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