affs: d_obtain_alias(ERR_PTR(...)) will do the right thing

Al Viro · Al Viro · commit 155d46beea3d · 2023-12-21T12:51:02.000-05:00
Signed-off-by: Al Viro &lt;viro@zeniv.linux.org.uk&gt;
diff --git a/fs/affs/namei.c b/fs/affs/namei.c
@@ -532,9 +532,6 @@ static struct dentry *affs_get_parent(struct dentry *child)
 	parent = affs_iget(child->d_sb,
 			   be32_to_cpu(AFFS_TAIL(child->d_sb, bh)->parent));
 	brelse(bh);
-	if (IS_ERR(parent))
-		return ERR_CAST(parent);
-
 	return d_obtain_alias(parent);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -532,9 +532,6 @@ static struct dentry affs_get_parent(struct dentry child)`
`532`	`532`	`parent = affs_iget(child->d_sb,`
`533`	`533`	`be32_to_cpu(AFFS_TAIL(child->d_sb, bh)->parent));`
`534`	`534`	`brelse(bh);`
`535`		`- if (IS_ERR(parent))`
`536`		`- return ERR_CAST(parent);`
`537`		`-`
`538`	`535`	`return d_obtain_alias(parent);`
`539`	`536`	`}`
`540`	`537`