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make d_splice_alias(ERR_PTR(err), dentry) = ERR_PTR(err)

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... and simplify the living hell out of callers

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2011-07-08 21:20:11 -04:00
parent 0c1aa9a952
commit a9049376ee
15 changed files with 39 additions and 94 deletions
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3
fs/dcache.c
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@@ -1652,6 +1652,9 @@ struct dentry *d_splice_alias(struct inode *inode, struct dentry *dentry)
{
struct dentry *new = NULL;
if (IS_ERR(inode))
return ERR_CAST(inode);
if (inode && S_ISDIR(inode->i_mode)) {
spin_lock(&inode->i_lock);
new = __d_find_alias(inode, 1);