X-Git-Url: http://git.harvie.cz/?a=blobdiff_plain;f=wwwroot%2Fbackend%2Fmysql%2Fbackend.inc;h=87e1d2d744bd09297fafed0b8050e5eb81d66d78;hb=ccb9c667e7fdb56dfc2aa3c800328511a26dffb8;hp=bdc85152631c56af2cebf295cff829752571a5da;hpb=9c833cbaa6b865dda14760b7f448467ec1a912d6;p=mirrors%2FKyberia-bloodline.git

diff --git a/wwwroot/backend/mysql/backend.inc b/wwwroot/backend/mysql/backend.inc
index bdc8515..87e1d2d 100644
--- a/wwwroot/backend/mysql/backend.inc
+++ b/wwwroot/backend/mysql/backend.inc
@@ -363,6 +363,11 @@ function setSynapse($params){
 	$dst=$params['dst'];
 	$weight=$params['weight'];
 
+	// weight could be only positive
+	if ( $weight < 0) {
+		return false;
+	}
+
 	// if already exists
 	$q="select count(src) from neurons where dst ='$dst' and src = '$src'";
 	$set=$db->query($q);