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authorJens Axboe <jaxboe@fusionio.com>2010-10-19 09:13:04 +0200
committerJens Axboe <jaxboe@fusionio.com>2010-10-19 09:13:04 +0200
commitfa251f89903d73989e2f63e13d0eaed1e07ce0da (patch)
tree3f7fe779941e3b6d67754dd7c44a32f48ea47c74 /drivers/acpi/apei/apei-base.c
parentdd3932eddf428571762596e17b65f5dc92ca361b (diff)
parentcd07202cc8262e1669edff0d97715f3dd9260917 (diff)
Merge branch 'v2.6.36-rc8' into for-2.6.37/barrier
Conflicts: block/blk-core.c drivers/block/loop.c mm/swapfile.c Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'drivers/acpi/apei/apei-base.c')
-rw-r--r--drivers/acpi/apei/apei-base.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c
index 73fd0c7487c..4a904a4bf05 100644
--- a/drivers/acpi/apei/apei-base.c
+++ b/drivers/acpi/apei/apei-base.c
@@ -445,11 +445,15 @@ EXPORT_SYMBOL_GPL(apei_resources_sub);
int apei_resources_request(struct apei_resources *resources,
const char *desc)
{
- struct apei_res *res, *res_bak;
+ struct apei_res *res, *res_bak = NULL;
struct resource *r;
+ int rc;
- apei_resources_sub(resources, &apei_resources_all);
+ rc = apei_resources_sub(resources, &apei_resources_all);
+ if (rc)
+ return rc;
+ rc = -EINVAL;
list_for_each_entry(res, &resources->iomem, list) {
r = request_mem_region(res->start, res->end - res->start,
desc);
@@ -475,7 +479,11 @@ int apei_resources_request(struct apei_resources *resources,
}
}
- apei_resources_merge(&apei_resources_all, resources);
+ rc = apei_resources_merge(&apei_resources_all, resources);
+ if (rc) {
+ pr_err(APEI_PFX "Fail to merge resources!\n");
+ goto err_unmap_ioport;
+ }
return 0;
err_unmap_ioport:
@@ -491,12 +499,13 @@ err_unmap_iomem:
break;
release_mem_region(res->start, res->end - res->start);
}
- return -EINVAL;
+ return rc;
}
EXPORT_SYMBOL_GPL(apei_resources_request);
void apei_resources_release(struct apei_resources *resources)
{
+ int rc;
struct apei_res *res;
list_for_each_entry(res, &resources->iomem, list)
@@ -504,7 +513,9 @@ void apei_resources_release(struct apei_resources *resources)
list_for_each_entry(res, &resources->ioport, list)
release_region(res->start, res->end - res->start);
- apei_resources_sub(&apei_resources_all, resources);
+ rc = apei_resources_sub(&apei_resources_all, resources);
+ if (rc)
+ pr_err(APEI_PFX "Fail to sub resources!\n");
}
EXPORT_SYMBOL_GPL(apei_resources_release);