> > Yes, this happens on 32 bit builds, not on 64 bit builds. If you
> > look at the source code, the compiler is obviously wrong (or I am
> > blind).
> >
> > ret = btrfs_dev_replace_find_srcdev(root, args->start.srcdevid,
> > args->start.srcdev_name,
> > &src_device);
> > mutex_unlock(&fs_info->volume_mutex);
> > if (ret) { <-- this is line 344
> >
> > But thanks for the feedback anyway!
>
> This usually means that somewhere in the call tree under
> btrfs_dev_replace_find_srcdev(), there's a way that the function can
> return without returning a value
Indeed, and that's obviously the case in 15/26 with
btrfs_dev_replace_find_srcdev() when btrfs_find_device() returns a
device.
*mumbles something about the reason for ERR_PTR semantics*
- z
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