target/linux/generic/patches-3.3/027-bcma-add-missing-iounmap-on-error-path.patch

   1 --- a/drivers/bcma/scan.c
   2 +++ b/drivers/bcma/scan.c
   3 @@ -462,8 +462,10 @@ int bcma_bus_scan(struct bcma_bus *bus)
   4         while (eromptr < eromend) {
   5                 struct bcma_device *other_core;
   6                 struct bcma_device *core = kzalloc(sizeof(*core), GFP_KERNEL);
   7 -               if (!core)
   8 -                       return -ENOMEM;
   9 +               if (!core) {
  10 +                       err = -ENOMEM;
  11 +                       goto out;
  12 +               }
  13                 INIT_LIST_HEAD(&core->list);
  14                 core->bus = bus;
  15
  16 @@ -478,7 +480,7 @@ int bcma_bus_scan(struct bcma_bus *bus)
  17                         } else if (err == -ESPIPE) {
  18                                 break;
  19                         }
  20 -                       return err;
  21 +                       goto out;
  22                 }
  23
  24                 core->core_index = core_num++;
  25 @@ -494,10 +496,12 @@ int bcma_bus_scan(struct bcma_bus *bus)
  26                 list_add_tail(&core->list, &bus->cores);
  27         }
  28
  29 +       err = 0;
  30 +out:
  31         if (bus->hosttype == BCMA_HOSTTYPE_SOC)
  32                 iounmap(eromptr);
  33
  34 -       return 0;
  35 +       return err;
  36  }
  37
  38  int __init bcma_bus_scan_early(struct bcma_bus *bus,
  39 @@ -537,7 +541,7 @@ int __init bcma_bus_scan_early(struct bc
  40                 else if (err == -ESPIPE)
  41                         break;
  42                 else if (err < 0)
  43 -                       return err;
  44 +                       goto out;
  45
  46                 core->core_index = core_num++;
  47                 bus->nr_cores++;
  48 @@ -551,6 +555,7 @@ int __init bcma_bus_scan_early(struct bc
  49                 break;
  50         }
  51
  52 +out:
  53         if (bus->hosttype == BCMA_HOSTTYPE_SOC)
  54                 iounmap(eromptr);
  55