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From 73623c76c8bc8c41a4afefc1eee84dfc5979d652 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Wed, 12 Jun 2019 20:45:17 +0100
Subject: [PATCH] bcm2835-sdhost: Fix DMA channel leak on error/remove
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
drivers/mmc/host/bcm2835-sdhost.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/mmc/host/bcm2835-sdhost.c
+++ b/drivers/mmc/host/bcm2835-sdhost.c
@@ -2154,6 +2154,8 @@ static int bcm2835_sdhost_probe(struct p
err:
pr_debug("bcm2835_sdhost_probe -> err %d\n", ret);
+ if (host->dma_chan_rxtx)
+ dma_release_channel(host->dma_chan_rxtx);
mmc_free_host(mmc);
return ret;
@@ -2174,7 +2176,8 @@ static int bcm2835_sdhost_remove(struct
del_timer_sync(&host->timer);
tasklet_kill(&host->finish_tasklet);
-
+ if (host->dma_chan_rxtx)
+ dma_release_channel(host->dma_chan_rxtx);
mmc_free_host(host->mmc);
platform_set_drvdata(pdev, NULL);
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