[systemd-devel] [PATCH] switch_root: do not fail, if base_filesystem_create() failed

Daniel Buch boogiewasthere at gmail.com
Tue Nov 4 10:17:00 PST 2014


I think you might want to cast it to avoid compiler warning. Like:
(void) base_filesystem_create()
Den 04/11/2014 17.36 skrev <harald at redhat.com>:

> From: Harald Hoyer <harald at redhat.com>
>
> Not all switch roots are like base_filesystem_create() wants them
> to look like. They might even boot, if they are RO and don't have the FS
> layout. Just ignore the error and switch_root nevertheless.
>
> base_filesystem_create() should have logged, what went wrong.
> ---
>  src/shared/switch-root.c | 6 +-----
>  1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/src/shared/switch-root.c b/src/shared/switch-root.c
> index bac0e5c..673f8a7 100644
> --- a/src/shared/switch-root.c
> +++ b/src/shared/switch-root.c
> @@ -103,11 +103,7 @@ int switch_root(const char *new_root, const char
> *oldroot, bool detach_oldroot,
>                  }
>          }
>
> -        r = base_filesystem_create(new_root);
> -        if (r < 0) {
> -                log_error("Failed to create the base filesystem: %s",
> strerror(-r));
> -                return r;
> -        }
> +        base_filesystem_create(new_root);
>
>          if (chdir(new_root) < 0) {
>                  log_error("Failed to change directory to %s: %m",
> new_root);
> --
> 2.1.0
>
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