X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0335-bcm2835-mmc-Handle-mmc_add_host-errors.patch;fp=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0335-bcm2835-mmc-Handle-mmc_add_host-errors.patch;h=3762f4b70a494aad4cc05b3cf4c11a592c9ac4ca;hb=c2308a7e4adbb2acc8ff149f91d1ca46801c135e;hp=0000000000000000000000000000000000000000;hpb=67dcc43f3a22dc3a7ac07a7065971b426feeb043;p=openwrt%2Fstaging%2Fchunkeey.git

diff --git a/target/linux/brcm2708/patches-4.19/950-0335-bcm2835-mmc-Handle-mmc_add_host-errors.patch b/target/linux/brcm2708/patches-4.19/950-0335-bcm2835-mmc-Handle-mmc_add_host-errors.patch
new file mode 100644
index 0000000000..3762f4b70a
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0335-bcm2835-mmc-Handle-mmc_add_host-errors.patch
@@ -0,0 +1,35 @@
+From 2e2f57e09e1ace18ae01a87d9fc4378c96c54370 Mon Sep 17 00:00:00 2001
+From: Lukas Wunner <lukas@wunner.de>
+Date: Tue, 22 Jan 2019 12:29:45 +0100
+Subject: [PATCH] bcm2835-mmc: Handle mmc_add_host() errors
+
+The BCM2835 MMC host driver calls mmc_add_host() but doesn't check its
+return value.  Errors occurring in that function are therefore not
+handled.  Fix it.
+
+Signed-off-by: Lukas Wunner <lukas@wunner.de>
+Cc: Frank Pavlic <f.pavlic@kunbus.de>
+---
+ drivers/mmc/host/bcm2835-mmc.c | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+--- a/drivers/mmc/host/bcm2835-mmc.c
++++ b/drivers/mmc/host/bcm2835-mmc.c
+@@ -1398,10 +1398,16 @@ static int bcm2835_mmc_add_host(struct b
+ 	}
+ 
+ 	mmiowb();
+-	mmc_add_host(mmc);
++	ret = mmc_add_host(mmc);
++	if (ret) {
++		dev_err(dev, "could not add MMC host\n");
++		goto free_irq;
++	}
+ 
+ 	return 0;
+ 
++free_irq:
++	free_irq(host->irq, host);
+ untasklet:
+ 	tasklet_kill(&host->finish_tasklet);
+