llc: Avoid propagating rc=1

Those functions guarantee to the caller that the prim is always freed,
and hence returning 1 has not meaning there.

Fix similar to bab234c2ea13b1ffa81bdb2c19a5864746b21390 in rlcmac layer.

Change-Id: Icdee1cac4df970ae2ee7539d72c5a82667016160
---
M src/llc/llc_prim.c
1 file changed, 18 insertions(+), 0 deletions(-)

diff --git a/src/llc/llc_prim.c b/src/llc/llc_prim.c
index b5fab8f..fd3578e 100644
--- a/src/llc/llc_prim.c
+++ b/src/llc/llc_prim.c
@@ -183,6 +183,8 @@
 	/* Special return value '1' means: do not free */
 	if (rc != 1)
 		msgb_free(llc_prim->oph.msg);
+	else
+		rc = 0;
 	return rc;
 }
 
@@ -212,5 +214,7 @@
 	/* Special return value '1' means: do not free */
 	if (rc != 1)
 		msgb_free(msg);
+	else
+		rc = 0;
 	return rc;
 }

