diff options
| -rw-r--r-- | include/linux/cred.h | 4 | ||||
| -rw-r--r-- | kernel/groups.c | 14 |
2 files changed, 8 insertions, 10 deletions
diff --git a/include/linux/cred.h b/include/linux/cred.h index fac0579..917dc5a 100644 --- a/include/linux/cred.h +++ b/include/linux/cred.h @@ -73,8 +73,8 @@ extern int groups_search(const struct group_info *, kgid_t); #define GROUP_AT(gi, i) \ ((gi)->blocks[(i) / NGROUPS_PER_BLOCK][(i) % NGROUPS_PER_BLOCK]) -extern int in_group_p(gid_t); -extern int in_egroup_p(gid_t); +extern int in_group_p(kgid_t); +extern int in_egroup_p(kgid_t); /* * The common credentials for a thread group diff --git a/kernel/groups.c b/kernel/groups.c index 84156f2..6b2588d 100644 --- a/kernel/groups.c +++ b/kernel/groups.c @@ -256,27 +256,25 @@ SYSCALL_DEFINE2(setgroups, int, gidsetsize, gid_t __user *, grouplist) /* * Check whether we're fsgid/egid or in the supplemental group.. */ -int in_group_p(gid_t grp) +int in_group_p(kgid_t grp) { const struct cred *cred = current_cred(); int retval = 1; - if (grp != cred->fsgid) - retval = groups_search(cred->group_info, - make_kgid(cred->user_ns, grp)); + if (!gid_eq(grp, cred->fsgid)) + retval = groups_search(cred->group_info, grp); return retval; } EXPORT_SYMBOL(in_group_p); -int in_egroup_p(gid_t grp) +int in_egroup_p(kgid_t grp) { const struct cred *cred = current_cred(); int retval = 1; - if (grp != cred->egid) - retval = groups_search(cred->group_info, - make_kgid(cred->user_ns, grp)); + if (!gid_eq(grp, cred->egid)) + retval = groups_search(cred->group_info, grp); return retval; } |
