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dmaengine: fsl-edma: fix DMA channel leak in eDMAv4
author
Frank Li
<Frank.Li@nxp.com>
Mon, 27 Nov 2023 21:43:25 +0000
(16:43 -0500)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Wed, 20 Dec 2023 16:02:02 +0000
(17:02 +0100)
commit
4ee632c82d2dbb9e2dcc816890ef182a151cbd99
upstream.
Allocate channel count consistently increases due to a missing source ID
(srcid) cleanup in the fsl_edma_free_chan_resources() function at imx93
eDMAv4.
Reset 'srcid' at fsl_edma_free_chan_resources().
Cc: stable@vger.kernel.org
Fixes:
72f5801a4e2b
("dmaengine: fsl-edma: integrate v3 support")
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link:
https://lore.kernel.org/r/20231127214325.2477247-1-Frank.Li@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/dma/fsl-edma-common.c
patch
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diff --git
a/drivers/dma/fsl-edma-common.c
b/drivers/dma/fsl-edma-common.c
index
6a3abe5
..
b53f462
100644
(file)
--- a/
drivers/dma/fsl-edma-common.c
+++ b/
drivers/dma/fsl-edma-common.c
@@
-828,6
+828,7
@@
void fsl_edma_free_chan_resources(struct dma_chan *chan)
dma_pool_destroy(fsl_chan->tcd_pool);
fsl_chan->tcd_pool = NULL;
fsl_chan->is_sw = false;
+ fsl_chan->srcid = 0;
}
void fsl_edma_cleanup_vchan(struct dma_device *dmadev)