The next patch will define a slab allocator for a object requests.
To use that we'll need to allocate the name of an object separate
from the request structure itself.
Signed-off-by: Alex Elder <elder@xxxxxxxxxxx>
---
drivers/block/rbd.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 005c397..da9f41d 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1758,11 +1758,16 @@ static struct rbd_obj_request
*rbd_obj_request_create(const char *object_name,
rbd_assert(obj_request_type_valid(type));
size = strlen(object_name) + 1;
- obj_request = kzalloc(sizeof (*obj_request) + size, GFP_KERNEL);
- if (!obj_request)
+ name = kmalloc(size, GFP_KERNEL);
+ if (!name)
+ return NULL;
+
+ obj_request = kzalloc(sizeof (*obj_request), GFP_KERNEL);
+ if (!obj_request) {
+ kfree(name);
return NULL;
+ }
- name = (char *)(obj_request + 1);
obj_request->object_name = memcpy(name, object_name, size);
obj_request->offset = offset;
obj_request->length = length;
@@ -1808,6 +1813,7 @@ static void rbd_obj_request_destroy(struct kref *kref)
break;
}
+ kfree(obj_request->object_name);
kfree(obj_request);
}
--
1.7.9.5
--
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