[sr-dev] git:4.2:bae15394: imc: better condition to catch no result of database query

[Daniel-Constantin Mierla]

Module: kamailio
Branch: 4.2
Commit: bae153942524b1d86e29f10208e35dbf088d7db5
URL: https://github.com/kamailio/kamailio/commit/bae153942524b1d86e29f10208e35dbf088d7db5

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2015-05-19T09:29:14+02:00

imc: better condition to catch no result of database query

(cherry picked from commit 29d7ca71fdfc8c52fb5e68fcf3bccf98dde0d089)

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Modified: modules/imc/imc.c

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Diff:  https://github.com/kamailio/kamailio/commit/bae153942524b1d86e29f10208e35dbf088d7db5.diff
Patch: https://github.com/kamailio/kamailio/commit/bae153942524b1d86e29f10208e35dbf088d7db5.patch

---

diff --git a/modules/imc/imc.c b/modules/imc/imc.c
index f54b2be..8fbfd14 100644
--- a/modules/imc/imc.c
+++ b/modules/imc/imc.c
@@ -200,10 +200,10 @@ int add_from_db(void)
 		LM_ERR("failed to querry table\n");
 		return -1;
 	}
-	if(r_res && r_res->n<=0)
+	if(r_res==NULL || r_res->n<=0)
 	{
 		LM_INFO("the query returned no result\n");
-		imc_dbf.free_result(imc_db, r_res);
+		if(r_res) imc_dbf.free_result(imc_db, r_res);
 		r_res = NULL;
 		return 0;
 	}