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authorHauke Mehrtens <hauke@hauke-m.de>2012-07-26 17:45:52 +0200
committerJohn W. Linville <linville@tuxdriver.com>2012-07-26 15:37:57 -0400
commit9dbf5f55f8d35ff9aedc75267f4e4042aaf89755 (patch)
tree0fd4f4861f86f87a75ffd9e888923d9f79606cb1 /drivers/bcma/scan.c
parentd8f1bd2ffcce6af1ace4f1efb327765144aa0755 (diff)
downloadlinux-sh-9dbf5f55f8d35ff9aedc75267f4e4042aaf89755.tar.gz
bcma: add missing iounmap on error path
This should fix the problem reported by Fengguang: The coccinelle static checker emits these warnings: drivers/bcma/scan.c:466:3-9: ERROR: missing iounmap; ioremap on line 451 and execution via conditional on line 465 drivers/bcma/scan.c:540:3-9: ERROR: missing iounmap; ioremap on line 515 and execution via conditional on line 539 Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/bcma/scan.c')
-rw-r--r--drivers/bcma/scan.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/bcma/scan.c b/drivers/bcma/scan.c
index 5672b13d0951..8d0b57164018 100644
--- a/drivers/bcma/scan.c
+++ b/drivers/bcma/scan.c
@@ -462,8 +462,10 @@ int bcma_bus_scan(struct bcma_bus *bus)
while (eromptr < eromend) {
struct bcma_device *other_core;
struct bcma_device *core = kzalloc(sizeof(*core), GFP_KERNEL);
- if (!core)
- return -ENOMEM;
+ if (!core) {
+ err = -ENOMEM;
+ goto out;
+ }
INIT_LIST_HEAD(&core->list);
core->bus = bus;
@@ -478,7 +480,7 @@ int bcma_bus_scan(struct bcma_bus *bus)
} else if (err == -ESPIPE) {
break;
}
- return err;
+ goto out;
}
core->core_index = core_num++;
@@ -494,10 +496,12 @@ int bcma_bus_scan(struct bcma_bus *bus)
list_add_tail(&core->list, &bus->cores);
}
+ err = 0;
+out:
if (bus->hosttype == BCMA_HOSTTYPE_SOC)
iounmap(eromptr);
- return 0;
+ return err;
}
int __init bcma_bus_scan_early(struct bcma_bus *bus,
@@ -537,7 +541,7 @@ int __init bcma_bus_scan_early(struct bcma_bus *bus,
else if (err == -ESPIPE)
break;
else if (err < 0)
- return err;
+ goto out;
core->core_index = core_num++;
bus->nr_cores++;
@@ -551,6 +555,7 @@ int __init bcma_bus_scan_early(struct bcma_bus *bus,
break;
}
+out:
if (bus->hosttype == BCMA_HOSTTYPE_SOC)
iounmap(eromptr);