RAMFS NOMMU: missed POSIX UID/GID inode attribute checking

[sfrench/cifs-2.6.git] / fs / ramfs / file-nommu.c

diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c
index 9345a46ffb325f3dda57a0aeb048e3428475ad0c..5d258c40a2fd9c59fead95c4d3d84d7a4092bce3 100644 (file)
--- a/fs/ramfs/file-nommu.c
+++ b/fs/ramfs/file-nommu.c
@@ -195,6 +195,11 @@ static int ramfs_nommu_setattr(struct dentry *dentry, struct iattr *ia)
        unsigned int old_ia_valid = ia->ia_valid;
        int ret = 0;
 
+       /* POSIX UID/GID verification for setting inode attributes */
+       ret = inode_change_ok(inode, ia);
+       if (ret)
+               return ret;
+
        /* by providing our own setattr() method, we skip this quotaism */
        if ((old_ia_valid & ATTR_UID && ia->ia_uid != inode->i_uid) ||
            (old_ia_valid & ATTR_GID && ia->ia_gid != inode->i_gid))