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authorEric W. Biederman <ebiederm@xmission.com>2012-03-03 21:17:15 -0800
committerEric W. Biederman <ebiederm@xmission.com>2012-05-03 03:29:34 -0700
commit8e96e3b7b8407be794ab1fd8e4b332818a358e78 (patch)
treef27756bb2ec49e586221ac669ea00c68e8a2ee58 /fs/fcntl.c
parent72cda3d1ef24ab0a9a89c15e9776ca737b75f45a (diff)
downloadlinux-8e96e3b7b8407be794ab1fd8e4b332818a358e78.tar.gz
userns: Use uid_eq gid_eq helpers when comparing kuids and kgids in the vfs
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to 'fs/fcntl.c')
-rw-r--r--fs/fcntl.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/fcntl.c b/fs/fcntl.c
index 75e7c1f3a080..d078b75572a7 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -532,9 +532,9 @@ static inline int sigio_perm(struct task_struct *p,
 
 	rcu_read_lock();
 	cred = __task_cred(p);
-	ret = ((fown->euid == 0 ||
-		fown->euid == cred->suid || fown->euid == cred->uid ||
-		fown->uid  == cred->suid || fown->uid  == cred->uid) &&
+	ret = ((uid_eq(fown->euid, GLOBAL_ROOT_UID) ||
+		uid_eq(fown->euid, cred->suid) || uid_eq(fown->euid, cred->uid) ||
+		uid_eq(fown->uid,  cred->suid) || uid_eq(fown->uid,  cred->uid)) &&
 	       !security_file_send_sigiotask(p, fown, sig));
 	rcu_read_unlock();
 	return ret;