1
0
Fork 0
mirror of https://github.com/Ysurac/openmptcprouter.git synced 2025-02-15 04:42:02 +00:00
openmptcprouter/root/target/linux/brcm2708/patches-4.19/0527-bcm2835-sdhost-Fix-DMA-channel-leak-on-error-remove.patch
2019-06-18 18:43:58 +02:00

36 lines
1.1 KiB
Diff

From 5040b4b78e4cb74a6364d9a7c6cca0385e2dffd8 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Wed, 12 Jun 2019 20:45:17 +0100
Subject: [PATCH 527/528] 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(-)
diff --git a/drivers/mmc/host/bcm2835-sdhost.c b/drivers/mmc/host/bcm2835-sdhost.c
index d43af85135d3..844bed552bae 100644
--- a/drivers/mmc/host/bcm2835-sdhost.c
+++ b/drivers/mmc/host/bcm2835-sdhost.c
@@ -2154,6 +2154,8 @@ static int bcm2835_sdhost_probe(struct platform_device *pdev)
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 platform_device *pdev)
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);
--
2.19.1