[Asterisk-code-review] res_geoloc: fix NULL pointer dereference bug (asterisk[certified/18.9])

[George Joseph]

George Joseph has uploaded this change for review. ( https://gerrit.asterisk.org/c/asterisk/+/19727 )


Change subject: res_geoloc: fix NULL pointer dereference bug
......................................................................

res_geoloc: fix NULL pointer dereference bug

The `ast_geoloc_datastore_add_eprofile` function does not return 0 on
success, it returns the size of the underlying datastore. This means
that the datastore will be freed and its pointer set to NULL when no
error occured at all.

ASTERISK-30346

Change-Id: Iea9b209bd1244cc57b903b9496cb680c356e4bb9
---
M res/res_geolocation/geoloc_datastore.c
1 file changed, 18 insertions(+), 2 deletions(-)



  git pull ssh://gerrit.asterisk.org:29418/asterisk refs/changes/27/19727/1

diff --git a/res/res_geolocation/geoloc_datastore.c b/res/res_geolocation/geoloc_datastore.c
index 040a9bd..4e7a85e 100644
--- a/res/res_geolocation/geoloc_datastore.c
+++ b/res/res_geolocation/geoloc_datastore.c
@@ -255,7 +255,7 @@
 	}
 
 	rc = ast_geoloc_datastore_add_eprofile(ds, eprofile);
-	if (rc != 0) {
+	if (rc <= 0) {
 		ast_datastore_free(ds);
 		ds = NULL;
 	}
@@ -297,7 +297,7 @@
 
 	rc = ast_geoloc_datastore_add_eprofile(ds, eprofile);
 	ao2_ref(eprofile, -1);
-	if (rc != 0) {
+	if (rc <= 0) {
 		ast_datastore_free(ds);
 		ds = NULL;
 	}

-- 
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Gerrit-Project: asterisk
Gerrit-Branch: certified/18.9
Gerrit-Change-Id: Iea9b209bd1244cc57b903b9496cb680c356e4bb9
Gerrit-Change-Number: 19727
Gerrit-PatchSet: 1
Gerrit-Owner: George Joseph <gjoseph at digium.com>
Gerrit-CC: Alexandre Fournier <afournier at wazo.io>
Gerrit-MessageType: newchange
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