[sr-dev] git:4.3:7881ec8d: utils: Don't leak memory of pkg_realloc returns NULL

[Carsten Bock]

Module: kamailio
Branch: 4.3
Commit: 7881ec8d3cd5aa347424108f1fb9860c383e01d5
URL: https://github.com/kamailio/kamailio/commit/7881ec8d3cd5aa347424108f1fb9860c383e01d5

Author: Carsten Bock <carsten at ng-voice.com>
Committer: Carsten Bock <carsten at ng-voice.com>
Date: 2015-09-18T17:26:10+02:00

utils: Don't leak memory of pkg_realloc returns NULL

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Modified: modules/utils/functions.c

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Diff:  https://github.com/kamailio/kamailio/commit/7881ec8d3cd5aa347424108f1fb9860c383e01d5.diff
Patch: https://github.com/kamailio/kamailio/commit/7881ec8d3cd5aa347424108f1fb9860c383e01d5.patch

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diff --git a/modules/utils/functions.c b/modules/utils/functions.c
index f261cc0..97d1700 100644
--- a/modules/utils/functions.c
+++ b/modules/utils/functions.c
@@ -54,13 +54,14 @@ size_t write_function( void *ptr, size_t size, size_t nmemb, void *stream_ptr)
 {
 	http_res_stream_t *stream = (http_res_stream_t *) stream_ptr;
 
-	stream->buf = (char *) pkg_realloc(stream->buf, stream->curr_size + 
+	char *tmp = (char *) pkg_realloc(stream->buf, stream->curr_size + 
 			(size * nmemb));
 
-	if (stream->buf == NULL) {
+	if (tmp == NULL) {
 		LM_ERR("cannot allocate memory for stream\n");
 		return CURLE_WRITE_ERROR;
 	}
+	stream->buf = tmp;
 
 	memcpy(&stream->buf[stream->pos], (char *) ptr, (size * nmemb));