[osmo-pcu 1/5] bts: Ensure tbf direction with OSMO_ASSERT()

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Holger Hans Peter Freyther holger at freyther.de
Thu Jul 17 06:46:24 UTC 2014


On Wed, Jul 16, 2014 at 07:04:28PM +0200, Daniel Willmann wrote:

Hi!

as we have to move forward I will merge it. One comment in regard to
the approach taken here.

> +gprs_rlcmac_tbf *gprs_rlcmac_pdch::tbf_from_list_by_tfi(struct llist_head *tbf_list, uint8_t tfi,
> +		enum gprs_rlcmac_tbf_direction dir)
>  {
>  	gprs_rlcmac_tbf *tbf;
>  
>  	llist_for_each_entry(tbf, tbf_list, list) {
> +		OSMO_ASSERT(tbf->direction == dir);

> +	return tbf_from_list_by_tfi(&bts_data()->ul_tbfs, tfi, GPRS_RLCMAC_UL_TBF);
> +	return tbf_from_list_by_tfi(&bts_data()->dl_tbfs, tfi, GPRS_RLCMAC_DL_TBF);

assert it on _entry_ into the ul_tbfs and dl_tbfs. If we only have one
place where the list is manipulated we can easily pay the price on entry.




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