tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git debugfs_cleanup head: b23ebf4cbbc7a340acc9126d1fff4d39b20ef364 commit: 7c11b3df5cac0ff8a580a81f0b8a92148d66dc81 [116/120] ceph: fix changelog config: i386-allmodconfig (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: git checkout 7c11b3df5cac0ff8a580a81f0b8a92148d66dc81 # save the attached .config to linux build tree make ARCH=i386
All errors (new ones prefixed by >>):
fs/ceph/super.c: In function 'ceph_real_mount':
>> fs/ceph/super.c:932:7: error: void value not ignored as it ought to be
err = ceph_fs_debugfs_init(fsc);
^
vim +932 fs/ceph/super.c
16725b9d Sage Weil 2009-10-06 895
3d14c5d2 Yehuda Sadeh 2010-04-06 896
3d14c5d2 Yehuda Sadeh 2010-04-06 897
3d14c5d2 Yehuda Sadeh 2010-04-06 898
16725b9d Sage Weil 2009-10-06 899 /*
16725b9d Sage Weil 2009-10-06 900 * mount: join the ceph cluster,
and open root directory.
16725b9d Sage Weil 2009-10-06 901 */
3f384954 Yan, Zheng 2016-04-21 902 static struct dentry
*ceph_real_mount(struct ceph_fs_client *fsc)
16725b9d Sage Weil 2009-10-06 903 {
16725b9d Sage Weil 2009-10-06 904 int err;
16725b9d Sage Weil 2009-10-06 905 unsigned long started =
jiffies; /* note the start time */
16725b9d Sage Weil 2009-10-06 906 struct dentry *root;
16725b9d Sage Weil 2009-10-06 907
132ca7e1 Yan, Zheng 2016-03-12 908 dout("mount start %p\n", fsc);
3d14c5d2 Yehuda Sadeh 2010-04-06 909
mutex_lock(&fsc->client->mount_mutex);
16725b9d Sage Weil 2009-10-06 910
132ca7e1 Yan, Zheng 2016-03-12 911 if (!fsc->sb->s_root) {
ce2728aa Yan, Zheng 2016-09-14 912 const char *path;
3d14c5d2 Yehuda Sadeh 2010-04-06 913 err =
__ceph_open_session(fsc->client, started);
16725b9d Sage Weil 2009-10-06 914 if (err < 0)
16725b9d Sage Weil 2009-10-06 915 goto out;
16725b9d Sage Weil 2009-10-06 916
1d8f8360 Yan, Zheng 2017-06-27 917 /* setup fscache */
1d8f8360 Yan, Zheng 2017-06-27 918 if
(fsc->mount_options->flags & CEPH_MOUNT_OPT_FSCACHE) {
1d8f8360 Yan, Zheng 2017-06-27 919 err =
ceph_fscache_register_fs(fsc);
1d8f8360 Yan, Zheng 2017-06-27 920 if (err < 0)
1d8f8360 Yan, Zheng 2017-06-27 921 goto
out;
1d8f8360 Yan, Zheng 2017-06-27 922 }
1d8f8360 Yan, Zheng 2017-06-27 923
ce2728aa Yan, Zheng 2016-09-14 924 if
(!fsc->mount_options->server_path) {
ce2728aa Yan, Zheng 2016-09-14 925 path = "";
ce2728aa Yan, Zheng 2016-09-14 926 dout("mount
opening path \\t\n");
ce2728aa Yan, Zheng 2016-09-14 927 } else {
ce2728aa Yan, Zheng 2016-09-14 928 path =
fsc->mount_options->server_path + 1;
ce2728aa Yan, Zheng 2016-09-14 929 dout("mount
opening path %s\n", path);
ce2728aa Yan, Zheng 2016-09-14 930 }
18106734 Chengguang Xu 2018-02-09 931
18106734 Chengguang Xu 2018-02-09 @932 err =
ceph_fs_debugfs_init(fsc);
18106734 Chengguang Xu 2018-02-09 933 if (err < 0)
18106734 Chengguang Xu 2018-02-09 934 goto out;
18106734 Chengguang Xu 2018-02-09 935
ce2728aa Yan, Zheng 2016-09-14 936 root =
open_root_dentry(fsc, path, started);
16725b9d Sage Weil 2009-10-06 937 if (IS_ERR(root)) {
16725b9d Sage Weil 2009-10-06 938 err =
PTR_ERR(root);
16725b9d Sage Weil 2009-10-06 939 goto out;
16725b9d Sage Weil 2009-10-06 940 }
ce2728aa Yan, Zheng 2016-09-14 941 fsc->sb->s_root =
dget(root);
31ca5878 Geert Uytterhoeven 2016-10-13 942 } else {
31ca5878 Geert Uytterhoeven 2016-10-13 943 root =
dget(fsc->sb->s_root);
3d14c5d2 Yehuda Sadeh 2010-04-06 944 }
16725b9d Sage Weil 2009-10-06 945
3d14c5d2 Yehuda Sadeh 2010-04-06 946 fsc->mount_state =
CEPH_MOUNT_MOUNTED;
16725b9d Sage Weil 2009-10-06 947 dout("mount success\n");
a7f9fb20 Al Viro 2010-07-26 948
mutex_unlock(&fsc->client->mount_mutex);
a7f9fb20 Al Viro 2010-07-26 949 return root;
16725b9d Sage Weil 2009-10-06 950
132ca7e1 Yan, Zheng 2016-03-12 951 out:
132ca7e1 Yan, Zheng 2016-03-12 952
mutex_unlock(&fsc->client->mount_mutex);
132ca7e1 Yan, Zheng 2016-03-12 953 return ERR_PTR(err);
16725b9d Sage Weil 2009-10-06 954 }
16725b9d Sage Weil 2009-10-06 955
:::::: The code at line 932 was first introduced by commit
:::::: 18106734b512664a8541026519ce4b862498b6c3 ceph: fix dentry leak when
failing to init debugfs
:::::: TO: Chengguang Xu <cgxu...@icloud.com>
:::::: CC: Ilya Dryomov <idryo...@gmail.com>
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