Change in libosmocore[master]: gprs_ns2_sns: add check for duplicates to add_ip6_elem()

lynxis lazus gerrit-no-reply at lists.osmocom.org
Sun Jun 6 21:38:44 UTC 2021


lynxis lazus has uploaded this change for review. ( https://gerrit.osmocom.org/c/libosmocore/+/24586 )


Change subject: gprs_ns2_sns: add check for duplicates to add_ip6_elem()
......................................................................

gprs_ns2_sns: add check for duplicates to add_ip6_elem()

The ip4 version already checks for duplicates.

Related: OS#5036
Change-Id: I4a1528ea3427946ce465085919b2b522d3cedd07
---
M src/gb/gprs_ns2_sns.c
1 file changed, 7 insertions(+), 3 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/86/24586/1

diff --git a/src/gb/gprs_ns2_sns.c b/src/gb/gprs_ns2_sns.c
index c50b2b9..2e84d16 100644
--- a/src/gb/gprs_ns2_sns.c
+++ b/src/gb/gprs_ns2_sns.c
@@ -452,10 +452,8 @@
 static int add_ip4_elem(struct ns2_sns_state *gss, struct ns2_sns_elems *elems,
 			const struct gprs_ns_ie_ip4_elem *ip4)
 {
-	unsigned int i;
-
 	/* check for duplicates */
-	for (i = 0; i < elems->num_ip4; i++) {
+	for (unsigned int i = 0; i < elems->num_ip4; i++) {
 		if (memcmp(&elems->ip4[i], ip4, sizeof(*ip4)))
 			continue;
 		return -1;
@@ -507,6 +505,12 @@
 static int add_ip6_elem(struct ns2_sns_state *gss, struct ns2_sns_elems *elems,
 			const struct gprs_ns_ie_ip6_elem *ip6)
 {
+	/* check for duplicates */
+	for (unsigned int i = 0; i < elems->num_ip6; i++) {
+		if (memcmp(&elems->ip6[i], ip6, sizeof(*ip6)))
+			continue;
+		return -1;
+	}
 
 	elems->ip6 = talloc_realloc(gss, elems->ip6, struct gprs_ns_ie_ip6_elem,
 					 elems->num_ip6+1);

-- 
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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Change-Id: I4a1528ea3427946ce465085919b2b522d3cedd07
Gerrit-Change-Number: 24586
Gerrit-PatchSet: 1
Gerrit-Owner: lynxis lazus <lynxis at fe80.eu>
Gerrit-MessageType: newchange
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