From: Sanchayan Maity <maitysanchayan@gmail.com> To: broonie@kernel.org Cc: stefan@agner.ch, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, Sanchayan Maity <maitysanchayan@gmail.com> Subject: [PATCH v3 3/3] spi: spi-fsl-dspi: Fix incorrect freeing of DMA allocated buffers Date: Tue, 22 Nov 2016 12:31:32 +0530 [thread overview] Message-ID: <fd3b1fa5d9fb2a0c2d1f6ded314acf20f5081a89.1479796821.git.maitysanchayan@gmail.com> (raw) In-Reply-To: <cover.1479796821.git.maitysanchayan@gmail.com> In-Reply-To: <cover.1479796821.git.maitysanchayan@gmail.com> Buffers allocated with a call to dma_alloc_coherent should be freed with dma_free_coherent instead of the currently used devm_kfree. Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com> --- drivers/spi/spi-fsl-dspi.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 8af3151..7ada112 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -420,9 +420,11 @@ static int dspi_request_dma(struct fsl_dspi *dspi, phys_addr_t phy_addr) return 0; err_slave_config: - devm_kfree(dev, dma->rx_dma_buf); + dma_free_coherent(dev, DSPI_DMA_BUFSIZE, + dma->rx_dma_buf, dma->rx_dma_phys); err_rx_dma_buf: - devm_kfree(dev, dma->tx_dma_buf); + dma_free_coherent(dev, DSPI_DMA_BUFSIZE, + dma->tx_dma_buf, dma->tx_dma_phys); err_tx_dma_buf: dma_release_channel(dma->chan_tx); err_tx_channel: -- 2.10.2
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From: maitysanchayan@gmail.com (Sanchayan Maity) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 3/3] spi: spi-fsl-dspi: Fix incorrect freeing of DMA allocated buffers Date: Tue, 22 Nov 2016 12:31:32 +0530 [thread overview] Message-ID: <fd3b1fa5d9fb2a0c2d1f6ded314acf20f5081a89.1479796821.git.maitysanchayan@gmail.com> (raw) In-Reply-To: <cover.1479796821.git.maitysanchayan@gmail.com> Buffers allocated with a call to dma_alloc_coherent should be freed with dma_free_coherent instead of the currently used devm_kfree. Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com> --- drivers/spi/spi-fsl-dspi.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 8af3151..7ada112 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -420,9 +420,11 @@ static int dspi_request_dma(struct fsl_dspi *dspi, phys_addr_t phy_addr) return 0; err_slave_config: - devm_kfree(dev, dma->rx_dma_buf); + dma_free_coherent(dev, DSPI_DMA_BUFSIZE, + dma->rx_dma_buf, dma->rx_dma_phys); err_rx_dma_buf: - devm_kfree(dev, dma->tx_dma_buf); + dma_free_coherent(dev, DSPI_DMA_BUFSIZE, + dma->tx_dma_buf, dma->tx_dma_phys); err_tx_dma_buf: dma_release_channel(dma->chan_tx); err_tx_channel: -- 2.10.2
next prev parent reply other threads:[~2016-11-22 7:10 UTC|newest] Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-11-22 7:01 [PATCH v3 0/3] Fixes for Vybrid SPI DMA implementation Sanchayan Maity 2016-11-22 7:01 ` Sanchayan Maity 2016-11-22 7:01 ` Sanchayan Maity 2016-11-22 7:01 ` [PATCH v3 1/3] spi: spi-fsl-dspi: Fix incorrect DMA setup Sanchayan Maity 2016-11-22 7:01 ` Sanchayan Maity 2016-11-22 7:01 ` [PATCH v3 2/3] spi: spi-fsl-dspi: Fix continuous selection format Sanchayan Maity 2016-11-22 7:01 ` Sanchayan Maity 2016-11-22 17:26 ` Applied "spi: spi-fsl-dspi: Fix continuous selection format" to the spi tree Mark Brown 2016-11-22 17:26 ` Mark Brown 2016-11-22 7:01 ` Sanchayan Maity [this message] 2016-11-22 7:01 ` [PATCH v3 3/3] spi: spi-fsl-dspi: Fix incorrect freeing of DMA allocated buffers Sanchayan Maity 2016-11-22 17:26 ` Applied "spi: spi-fsl-dspi: Fix incorrect freeing of DMA allocated buffers" to the spi tree Mark Brown 2016-11-22 17:26 ` Mark Brown
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