pespin has uploaded this change for review. (
https://gerrit.osmocom.org/c/libosmo-gprs/+/30921 )
Change subject: llc: Allow app provided callbacks to retain ownership of passed primitive
......................................................................
llc: Allow app provided callbacks to retain ownership of passed primitive
This way the app can, for instance, simply forward the primtiive pointer
from LLC callback to SNDCP layer, which will in the end take the
ownership of the primitive and free it.
Change-Id: I6ea91b8f190a399c4bcf6c7cba9a65809aaf3ddb
---
M src/llc/llc_prim.c
1 file changed, 6 insertions(+), 2 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/libosmo-gprs refs/changes/21/30921/1
diff --git a/src/llc/llc_prim.c b/src/llc/llc_prim.c
index e789819..b5fab8f 100644
--- a/src/llc/llc_prim.c
+++ b/src/llc/llc_prim.c
@@ -142,7 +142,9 @@
rc = g_ctx->llc_up_cb(llc_prim, g_ctx->llc_up_cb_user_data);
else
rc = llc_up_cb_dummy(llc_prim, g_ctx->llc_up_cb_user_data);
- msgb_free(llc_prim->oph.msg);
+ /* Special return value '1' means: do not free */
+ if (rc != 1)
+ msgb_free(llc_prim->oph.msg);
return rc;
}
@@ -178,7 +180,9 @@
rc = g_ctx->llc_down_cb(llc_prim, g_ctx->llc_down_cb_user_data);
else
rc = llc_down_cb_dummy(llc_prim, g_ctx->llc_down_cb_user_data);
- msgb_free(llc_prim->oph.msg);
+ /* Special return value '1' means: do not free */
+ if (rc != 1)
+ msgb_free(llc_prim->oph.msg);
return rc;
}
--
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Gerrit-Project: libosmo-gprs
Gerrit-Branch: master
Gerrit-Change-Id: I6ea91b8f190a399c4bcf6c7cba9a65809aaf3ddb
Gerrit-Change-Number: 30921
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <pespin(a)sysmocom.de>
Gerrit-MessageType: newchange