Change in libosmocore[master]: msgb: dont return a length when msgb->lXh is NULL

Attention is currently required from: laforge. dexter has posted comments on this change. ( https://gerrit.osmocom.org/c/libosmocore/+/29591 )

Change subject: msgb: dont return a length when msgb->lXh is NULL ......................................................................

Patch Set 1:

(1 comment)

Patchset:

PS1:

one could actually argue that we should OSMO_ASSERT in this case, as using msgb_lXlen() on a msgb wi […]

That would also make sense, but one could also say that the data length of a NULL pointer is always 0. Lets see what the others think about this.

(At least by the git log in osmo-bts I can see that the problem is not new)