diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0447-bcm2835-sdhost-Fix-DMA-channel-leak-on-error-remove.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0447-bcm2835-sdhost-Fix-DMA-channel-leak-on-error-remove.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0447-bcm2835-sdhost-Fix-DMA-channel-leak-on-error-remove.patch b/target/linux/brcm2708/patches-4.19/950-0447-bcm2835-sdhost-Fix-DMA-channel-leak-on-error-remove.patch new file mode 100644 index 0000000000..13ea94a130 --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0447-bcm2835-sdhost-Fix-DMA-channel-leak-on-error-remove.patch @@ -0,0 +1,31 @@ +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); + |