rlcmac: tbf_ul: Allow sending UL data if in state FINISHED

This can happen for instance if MS sent al the data but PCU didn't
receive it all (some it was lost) so it can still keep asking the MS to
submit data. In this case, the MS shall attempt retransmit of some
unacked data.

Change-Id: I2333a0a432c0c6f223bc1043ddb0d9c34842a5a3
---
M src/rlcmac/tbf_ul.c
1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/rlcmac/tbf_ul.c b/src/rlcmac/tbf_ul.c
index 993f694..ce7ac1f 100644
--- a/src/rlcmac/tbf_ul.c
+++ b/src/rlcmac/tbf_ul.c
@@ -133,7 +133,8 @@
 		return false;
 
 	st = gprs_rlcmac_tbf_ul_state(ul_tbf);
-	return (st == GPRS_RLCMAC_TBF_UL_ST_FLOW);
+	return (st == GPRS_RLCMAC_TBF_UL_ST_FLOW ||
+		st == GPRS_RLCMAC_TBF_UL_ST_FINISHED);
 }
 
 static int gprs_rlcmac_ul_tbf_update_window(struct gprs_rlcmac_ul_tbf *ul_tbf,

