target/linux/brcm2708/patches-4.19/950-0389-bcm2835-mmc-Fix-struct-mmc_host-leak-on-probe.patch

   1 From eaea13d958263b1fae8a96ffe184f91b0ca526cd Mon Sep 17 00:00:00 2001
   2 From: Lukas Wunner <lukas@wunner.de>
   3 Date: Sat, 19 Jan 2019 08:06:48 +0100
   4 Subject: [PATCH 389/703] bcm2835-mmc: Fix struct mmc_host leak on probe
   5
   6 The BCM2835 MMC host driver requests the bus address of the host's
   7 register map on probe.  If that fails, the driver leaks the struct
   8 mmc_host allocated earlier.
   9
  10 Fix it.
  11
  12 Signed-off-by: Lukas Wunner <lukas@wunner.de>
  13 Cc: Frank Pavlic <f.pavlic@kunbus.de>
  14 ---
  15  drivers/mmc/host/bcm2835-mmc.c | 3 ++-
  16  1 file changed, 2 insertions(+), 1 deletion(-)
  17
  18 --- a/drivers/mmc/host/bcm2835-mmc.c
  19 +++ b/drivers/mmc/host/bcm2835-mmc.c
  20 @@ -1439,7 +1439,8 @@ static int bcm2835_mmc_probe(struct plat
  21         addr = of_get_address(node, 0, NULL, NULL);
  22         if (!addr) {
  23                 dev_err(dev, "could not get DMA-register address\n");
  24 -               return -ENODEV;
  25 +               ret = -ENODEV;
  26 +               goto err;
  27         }
  28         host->bus_addr = be32_to_cpup(addr);
  29         pr_debug(" - ioaddr %lx, iomem->start %lx, bus_addr %lx\n",