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nfs: add missing rcu-walk check
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Signed-off-by: Nick Piggin <npiggin@kernel.dk>
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Nick Piggin committed Jan 14, 2011
1 parent 2c67559 commit 657e94b
Showing 1 changed file with 5 additions and 1 deletion.
6 changes: 5 additions & 1 deletion fs/nfs/dir.c
Original file line number Diff line number Diff line change
Expand Up @@ -1410,11 +1410,15 @@ static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry
static int nfs_open_revalidate(struct dentry *dentry, struct nameidata *nd)
{
struct dentry *parent = NULL;
struct inode *inode = dentry->d_inode;
struct inode *inode;
struct inode *dir;
struct nfs_open_context *ctx;
int openflags, ret = 0;

if (nd->flags & LOOKUP_RCU)
return -ECHILD;

inode = dentry->d_inode;
if (!is_atomic_open(nd) || d_mountpoint(dentry))
goto no_open;

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