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authorRusty Russell <rusty@rustcorp.com.au>2008-12-30 08:02:35 +1030
committerRusty Russell <rusty@rustcorp.com.au>2008-12-30 08:02:35 +1030
commit33edcf133ba93ecba2e4b6472e97b689895d805c (patch)
tree327d7a20acef64005e7c5ccbfa1265be28aeb6ac /fs/fuse/dir.c
parentbe4d638c1597580ed2294d899d9f1a2cd10e462c (diff)
parent3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff)
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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/fuse/dir.c')
-rw-r--r--fs/fuse/dir.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index fd03330cadeb..95bc22bdd060 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -869,18 +869,25 @@ int fuse_update_attributes(struct inode *inode, struct kstat *stat,
*/
int fuse_allow_task(struct fuse_conn *fc, struct task_struct *task)
{
+ const struct cred *cred;
+ int ret;
+
if (fc->flags & FUSE_ALLOW_OTHER)
return 1;
- if (task->euid == fc->user_id &&
- task->suid == fc->user_id &&
- task->uid == fc->user_id &&
- task->egid == fc->group_id &&
- task->sgid == fc->group_id &&
- task->gid == fc->group_id)
- return 1;
+ rcu_read_lock();
+ ret = 0;
+ cred = __task_cred(task);
+ if (cred->euid == fc->user_id &&
+ cred->suid == fc->user_id &&
+ cred->uid == fc->user_id &&
+ cred->egid == fc->group_id &&
+ cred->sgid == fc->group_id &&
+ cred->gid == fc->group_id)
+ ret = 1;
+ rcu_read_unlock();
- return 0;
+ return ret;
}
static int fuse_access(struct inode *inode, int mask)