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| author | Wang YanQing <udknight@gmail.com> | 2014-04-03 23:48:26 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-04 01:21:05 +0200 |
| commit | 8f6c5ffc8987f4f5b5a3e9d557d94bbf3a9bf216 (patch) | |
| tree | 79ea014021610d9a6057c070e1208542fd014e33 | |
| parent | sys_sysfs: Add CONFIG_SYSFS_SYSCALL (diff) | |
| download | linux-8f6c5ffc8987f4f5b5a3e9d557d94bbf3a9bf216.tar.xz linux-8f6c5ffc8987f4f5b5a3e9d557d94bbf3a9bf216.zip | |
kernel/groups.c: remove return value of set_groups
After commit 6307f8fee295 ("security: remove dead hook task_setgroups"),
set_groups will always return zero, so we could just remove return value
of set_groups.
This patch reduces code size, and simplfies code to use set_groups,
because we don't need to check its return value any more.
[akpm@linux-foundation.org: remove obsolete claims from set_groups() comment]
Signed-off-by: Wang YanQing <udknight@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Serge Hallyn <serge.hallyn@canonical.com>
Cc: Eric Paris <eparis@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | fs/nfsd/auth.c | 5 | ||||
| -rw-r--r-- | include/linux/cred.h | 2 | ||||
| -rw-r--r-- | kernel/groups.c | 14 |
3 files changed, 4 insertions, 17 deletions
diff --git a/fs/nfsd/auth.c b/fs/nfsd/auth.c index 06cddd572264..2645be435e75 100644 --- a/fs/nfsd/auth.c +++ b/fs/nfsd/auth.c @@ -71,10 +71,8 @@ int nfsd_setuser(struct svc_rqst *rqstp, struct svc_export *exp) if (gid_eq(new->fsgid, INVALID_GID)) new->fsgid = exp->ex_anon_gid; - ret = set_groups(new, gi); + set_groups(new, gi); put_group_info(gi); - if (ret < 0) - goto error; if (!uid_eq(new->fsuid, GLOBAL_ROOT_UID)) new->cap_effective = cap_drop_nfsd_set(new->cap_effective); @@ -89,7 +87,6 @@ int nfsd_setuser(struct svc_rqst *rqstp, struct svc_export *exp) oom: ret = -ENOMEM; -error: abort_creds(new); return ret; } diff --git a/include/linux/cred.h b/include/linux/cred.h index 04421e825365..f61d6c8f5ef3 100644 --- a/include/linux/cred.h +++ b/include/linux/cred.h @@ -66,7 +66,7 @@ extern struct group_info *groups_alloc(int); extern struct group_info init_groups; extern void groups_free(struct group_info *); extern int set_current_groups(struct group_info *); -extern int set_groups(struct cred *, struct group_info *); +extern void set_groups(struct cred *, struct group_info *); extern int groups_search(const struct group_info *, kgid_t); /* access the groups "array" with this macro */ diff --git a/kernel/groups.c b/kernel/groups.c index 90cf1c38c8ea..451698f86cfa 100644 --- a/kernel/groups.c +++ b/kernel/groups.c @@ -157,17 +157,13 @@ int groups_search(const struct group_info *group_info, kgid_t grp) * set_groups - Change a group subscription in a set of credentials * @new: The newly prepared set of credentials to alter * @group_info: The group list to install - * - * Validate a group subscription and, if valid, insert it into a set - * of credentials. */ -int set_groups(struct cred *new, struct group_info *group_info) +void set_groups(struct cred *new, struct group_info *group_info) { put_group_info(new->group_info); groups_sort(group_info); get_group_info(group_info); new->group_info = group_info; - return 0; } EXPORT_SYMBOL(set_groups); @@ -182,18 +178,12 @@ EXPORT_SYMBOL(set_groups); int set_current_groups(struct group_info *group_info) { struct cred *new; - int ret; new = prepare_creds(); if (!new) return -ENOMEM; - ret = set_groups(new, group_info); - if (ret < 0) { - abort_creds(new); - return ret; - } - + set_groups(new, group_info); return commit_creds(new); } |