kernfs: d_obtain_alias(NULL) will do the right thing...

Al Viro · gregkh · commit 64c166821e03 · 2023-12-20T07:24:35.000+01:00
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Link: https://lore.kernel.org/r/20231220052229.GH1674809@ZenIV Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/fs/kernfs/mount.c b/fs/kernfs/mount.c
@@ -125,9 +125,6 @@ static struct dentry *__kernfs_fh_to_dentry(struct super_block *sb,
 
 	inode = kernfs_get_inode(sb, kn);
 	kernfs_put(kn);
-	if (!inode)
-		return ERR_PTR(-ESTALE);
-
 	return d_obtain_alias(inode);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -125,9 +125,6 @@ static struct dentry __kernfs_fh_to_dentry(struct super_block sb,`
`125`	`125`
`126`	`126`	`inode = kernfs_get_inode(sb, kn);`
`127`	`127`	`kernfs_put(kn);`
`128`		`- if (!inode)`
`129`		`- return ERR_PTR(-ESTALE);`
`130`		`-`
`131`	`128`	`return d_obtain_alias(inode);`
`132`	`129`	`}`
`133`	`130`