Messages in this thread Patch in this message | | | Subject | [PATCH 14/23] nfs_clone_sb_security(): simplify the check for server bogosity | From | David Howells <> | Date | Thu, 23 May 2019 17:17:52 +0100 |
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From: Al Viro <viro@zeniv.linux.org.uk>
We used to check ->i_op for being nfs_dir_inode_operations. With separate inode_operations for v3 and v4 that became bogus, but rather than going for protocol-dependent comparison we could've just checked ->i_fop instead; _that_ is the same for all protocol versions.
Reviewed-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> ---
fs/nfs/super.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/nfs/super.c b/fs/nfs/super.c index dd379898ab23..a78f409e7634 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -2546,7 +2546,7 @@ int nfs_clone_sb_security(struct super_block *s, struct dentry *mntroot, unsigned long kflags = 0, kflags_out = 0; /* clone any lsm security options from the parent to the new sb */ - if (d_inode(mntroot)->i_op != NFS_SB(s)->nfs_client->rpc_ops->dir_inode_ops) + if (d_inode(mntroot)->i_fop != &nfs_dir_operations) return -ESTALE; if (NFS_SB(s)->caps & NFS_CAP_SECURITY_LABEL)
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