> > > /* and copy the data that needs to be copied */
> > > cmd_pos = offsetof(struct iwl_device_cmd, payload);
> > > + copy_size = sizeof(out_cmd->hdr);
> > > for (i = 0; i < IWL_MAX_CMD_TFDS; i++) {
> > > - if (!cmd->len[i])
> > > + int copy = 0;
> > > +
> > > + if (!cmd->len)
> > > continue;
> >
> > cmd->len is an array, so the new condition is always false. Shouldn't
> > it be 'if (!cmdlen[i])'?
>
> To answer myself: no, it should still be 'if (!cmd->len[i])' as this loop
> needs to
> include input fragments that will be completely copied into the header
> fragment.
Ick, good catch. It luckily doesn't matter as if cmd->len[i] is 0 (in which
case we'd continue) the "if (copy)" below saves us in all the different code
paths inside the loop. This is still clearly a mistake in the patch though.
I will fix this upstream, I guess you'll want to wait for that for stable? I'll
Cc:stable that patch as well.
johannes
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