linux/net/ceph
Gustavo A. R. Silva 6b41d4d9cb libceph: use struct_size() for kmalloc() in crush_decode()
One of the more common cases of allocation size calculations is finding
the size of a structure that has a zero-sized array at the end, along
with memory for some number of elements for that array. For example:

struct foo {
    int stuff;
    struct boo entry[];
};

instance = kmalloc(sizeof(struct foo) + count * sizeof(struct boo), GFP_KERNEL);

Instead of leaving these open-coded and prone to type mistakes, we can
now use the new struct_size() helper:

instance = kmalloc(struct_size(instance, entry, count), GFP_KERNEL);

This code was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-03-05 18:55:17 +01:00
..
crush crush: fix using plain integer as NULL warning 2018-08-13 17:55:44 +02:00
Kconfig ceph: fix whitespace 2018-08-02 21:33:21 +02:00
Makefile ceph: fix whitespace 2018-08-02 21:33:21 +02:00
armor.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
auth.c libceph: add authorizer challenge 2018-08-02 21:33:24 +02:00
auth_none.c ceph: fix whitespace 2018-08-02 21:33:21 +02:00
auth_none.h ceph: fix whitespace 2018-08-02 21:33:21 +02:00
auth_x.c libceph: weaken sizeof check in ceph_x_verify_authorizer_reply() 2018-08-02 21:33:26 +02:00
auth_x.h ceph: fix whitespace 2018-08-02 21:33:21 +02:00
auth_x_protocol.h libceph: add authorizer challenge 2018-08-02 21:33:24 +02:00
buffer.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ceph_common.c libceph: allow setting abort_on_full for rbd 2019-01-07 22:47:48 +01:00
ceph_fs.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ceph_hash.c ceph: mark expected switch fall-throughs 2017-11-13 12:11:39 +01:00
ceph_strings.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cls_lock_client.c libceph: use timespec64 in for keepalive2 and ticket validity 2018-08-02 21:26:12 +02:00
crypto.c libceph: Remove VLA usage of skcipher 2018-09-28 12:46:07 +08:00
crypto.h libceph: Remove VLA usage of skcipher 2018-09-28 12:46:07 +08:00
debugfs.c libceph: allow setting abort_on_full for rbd 2019-01-07 22:47:48 +01:00
messenger.c libceph: handle an empty authorize reply 2019-02-18 18:05:33 +01:00
mon_client.c ceph: fix whitespace 2018-08-02 21:33:21 +02:00
msgpool.c libceph: preallocate message data items 2018-10-22 10:28:22 +02:00
osd_client.c libceph: allow setting abort_on_full for rbd 2019-01-07 22:47:48 +01:00
osdmap.c libceph: use struct_size() for kmalloc() in crush_decode() 2019-03-05 18:55:17 +01:00
pagelist.c libceph: introduce ceph_pagelist_alloc() 2018-10-22 10:28:21 +02:00
pagevec.c ceph: fix whitespace 2018-08-02 21:33:21 +02:00
snapshot.c libceph: convert ceph_snap_context.nref from atomic_t to refcount_t 2017-05-04 09:19:18 +02:00
string_table.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
striper.c libceph, ceph: move ceph_calc_file_object_mapping() to striper.c 2018-04-02 10:12:43 +02:00