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libceph, rbd: add error handling for osd_req_op_cls_init()

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Add proper error handling for osd_req_op_cls_init() to replace
BUG_ON statement when failing from memory allocation.

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Chengguang Xu 2018-04-12 12:04:55 +08:00 • committed by Ilya Dryomov
parent 29dcea8877
commit fe943d5042
3 changed files with 16 additions and 7 deletions
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2
include/linux/ceph/osd_client.h
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@ -440,7 +440,7 @@ extern void osd_req_op_cls_response_data_pages(struct ceph_osd_request *,
struct page **pages, u64 length,
u32 alignment, bool pages_from_pool,
bool own_pages);
extern void osd_req_op_cls_init(struct ceph_osd_request *osd_req,
extern int osd_req_op_cls_init(struct ceph_osd_request *osd_req,
unsigned int which, u16 opcode,
const char *class, const char *method);
extern int osd_req_op_xattr_init(struct ceph_osd_request *osd_req, unsigned int which,