nfs: add missing rcu-walk check
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
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1 changed files with 5 additions and 1 deletions
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@ -1410,11 +1410,15 @@ no_open:
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static int nfs_open_revalidate(struct dentry *dentry, struct nameidata *nd)
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{
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struct dentry *parent = NULL;
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struct inode *inode = dentry->d_inode;
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struct inode *inode;
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struct inode *dir;
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struct nfs_open_context *ctx;
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int openflags, ret = 0;
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if (nd->flags & LOOKUP_RCU)
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return -ECHILD;
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inode = dentry->d_inode;
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if (!is_atomic_open(nd) || d_mountpoint(dentry))
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goto no_open;
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