[sr-dev] git:5.5:2b432d35: pv: handle case when var value ha flag str but null pointer

[Daniel-Constantin Mierla]

Module: kamailio
Branch: 5.5
Commit: 2b432d35f0691d9ef6b12908909d809dbb1fa57b
URL: https://github.com/kamailio/kamailio/commit/2b432d35f0691d9ef6b12908909d809dbb1fa57b

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2021-11-05T08:47:23+01:00

pv: handle case when var value ha flag str but null pointer

(cherry picked from commit 6eb67eaa4fc27d1eb7da7b2b674ffe8e7f86ecbc)

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Modified: src/modules/pv/pv_svar.c

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Diff:  https://github.com/kamailio/kamailio/commit/2b432d35f0691d9ef6b12908909d809dbb1fa57b.diff
Patch: https://github.com/kamailio/kamailio/commit/2b432d35f0691d9ef6b12908909d809dbb1fa57b.patch

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diff --git a/src/modules/pv/pv_svar.c b/src/modules/pv/pv_svar.c
index 255f9f2040..456e21963a 100644
--- a/src/modules/pv/pv_svar.c
+++ b/src/modules/pv/pv_svar.c
@@ -90,7 +90,7 @@ script_var_t* set_var_value(script_var_t* var, int_str *value, int flags)
 {
 	if(var==0)
 		return 0;
-	if(value==NULL)
+	if((value==NULL) || ((flags&VAR_VAL_STR) && (var->v.value.s.s==NULL)))
 	{
 		if(var->v.flags&VAR_VAL_STR)
 		{