openwrt/target/linux/brcm2708/patches-4.19/950-0384-bcm2835-mmc-Fix-struct-mmc_host-leak-on-probe.patch
Álvaro Fernández Rojas 2340c646e6 brcm2708: update to latest patches from RPi foundation
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2019-08-27 11:10:01 +02:00

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Diff

From dcf1a5feb6095c5aca75cc18330680778e59b517 Mon Sep 17 00:00:00 2001
From: Lukas Wunner <lukas@wunner.de>
Date: Sat, 19 Jan 2019 08:06:48 +0100
Subject: [PATCH 384/773] bcm2835-mmc: Fix struct mmc_host leak on probe
The BCM2835 MMC host driver requests the bus address of the host's
register map on probe. If that fails, the driver leaks the struct
mmc_host allocated earlier.
Fix it.
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Cc: Frank Pavlic <f.pavlic@kunbus.de>
---
drivers/mmc/host/bcm2835-mmc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/mmc/host/bcm2835-mmc.c
+++ b/drivers/mmc/host/bcm2835-mmc.c
@@ -1439,7 +1439,8 @@ static int bcm2835_mmc_probe(struct plat
addr = of_get_address(node, 0, NULL, NULL);
if (!addr) {
dev_err(dev, "could not get DMA-register address\n");
- return -ENODEV;
+ ret = -ENODEV;
+ goto err;
}
host->bus_addr = be32_to_cpup(addr);
pr_debug(" - ioaddr %lx, iomem->start %lx, bus_addr %lx\n",