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NFS: Fix an Oops in nfs_d_automount()

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When mounting from a NFSv4 referral, path->dentry can end up being a
negative dentry, so derive the struct nfs_server from the dentry
itself instead.

Fixes: 2b0143b5c9 ("VFS: normal filesystems (and lustre): d_inode() annotations")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2022-11-14 17:30:39 -05:00
parent 51069e4aef
commit 35e3b6ae84
1 changed files with 1 additions and 1 deletions
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fs/nfs/namespace.c
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@ -147,7 +147,7 @@ struct vfsmount *nfs_d_automount(struct path *path)
struct nfs_fs_context *ctx;
struct fs_context *fc;
struct vfsmount *mnt = ERR_PTR(-ENOMEM);
struct nfs_server *server = NFS_SERVER(d_inode(path->dentry));
struct nfs_server *server = NFS_SB(path->dentry->d_sb);
struct nfs_client *client = server->nfs_client;
int timeout = READ_ONCE(nfs_mountpoint_expiry_timeout);
int ret;