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Re: [PATCH] hypfs: remove unreachable statement in the 'hypfs_get_entry_rel()'
- To: Dmytro Prokopchuk1 <dmytro_prokopchuk1@xxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 16 Apr 2026 10:14:47 +0200
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- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Thu, 16 Apr 2026 08:14:56 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 09.04.2026 17:55, Dmytro Prokopchuk1 wrote:
> --- a/xen/common/hypfs.c
> +++ b/xen/common/hypfs.c
> @@ -347,8 +347,6 @@ static struct hypfs_entry *hypfs_get_entry_rel(struct
> hypfs_entry_dir *dir,
> path = end + 1;
> dir = container_of(entry, struct hypfs_entry_dir, e);
> }
> -
> - return ERR_PTR(-ENOENT);
> }
How certain are we that no supported compiler in any mode of compilation might
issue a diagnostic for the then missing "return" at the end of a function
returning non-void? Imo we might be better off adding ASSERT_UNREACHABLE() and
keeping the "return" that's there.
Jan
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