[M] Change in libosmo-sigtran[master]: Pass ownership of Tx xua_msg down the stack [1/2]

Attention is currently required from: daniel, fixeria, laforge, osmith. Hello Jenkins Builder, daniel, fixeria, laforge, osmith, I'd like you to reexamine a change. Please visit https://gerrit.osmocom.org/c/libosmo-sigtran/+/39396?usp=email to look at the new patch set (#2). Change subject: Pass ownership of Tx xua_msg down the stack [1/2] ...................................................................... Pass ownership of Tx xua_msg down the stack [1/2] This is a first step towards getting MTP OPC & SLS fields down the stack so that they can be used to implement loadsharing at ASP level. So far, we always encode the xua_msg (which holds the OPC and SLS info into xua_msg->mtp) into a msgb before passing it to as->fi through event XUA_AS_E_TRANSFER_REQ, which in turn calls xua_as_transmit_msg(as, msg). This patch is part 1 of 2 patches, which only modifies mostly the Tx path, but still requires modifications on Rx path (done in patch 2/2) to properly handle the forwarding path from Rx to Tx without double freeing. It is submitted in 2 parts to ease code reviewing. Future patches will modify that code to pass a xua_msg and only encode it into a msgb deeper into the stack after an ASP has been selected and msg needs to be transmitted. All previous calls to sua_tx_xua_asp() actually had a memory leak before this change, hence why no xua_msg_free() is removed from callers in this patch. Since now ownership is taken by sua_tx_xua_asp() which always frees the xua msg, the memleak is fixed. Related: SYS#7112 Change-Id: I49e718e624da08510a9c3d28bdb360c59f9a65d3 --- M src/ipa.c M src/m3ua.c M src/osmo_ss7_hmrt.c M src/sua.c 4 files changed, 49 insertions(+), 19 deletions(-) git pull ssh://gerrit.osmocom.org:29418/libosmo-sigtran refs/changes/96/39396/2 -- To view, visit https://gerrit.osmocom.org/c/libosmo-sigtran/+/39396?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: newpatchset Gerrit-Project: libosmo-sigtran Gerrit-Branch: master Gerrit-Change-Id: I49e718e624da08510a9c3d28bdb360c59f9a65d3 Gerrit-Change-Number: 39396 Gerrit-PatchSet: 2 Gerrit-Owner: pespin <pespin(a)sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: daniel <dwillmann(a)sysmocom.de> Gerrit-Reviewer: fixeria <vyanitskiy(a)sysmocom.de> Gerrit-Reviewer: laforge <laforge(a)osmocom.org> Gerrit-Reviewer: osmith <osmith(a)sysmocom.de> Gerrit-Attention: osmith <osmith(a)sysmocom.de> Gerrit-Attention: laforge <laforge(a)osmocom.org> Gerrit-Attention: fixeria <vyanitskiy(a)sysmocom.de> Gerrit-Attention: daniel <dwillmann(a)sysmocom.de>