MonetDB: linear-hashing - Fix memory leak detected by Coverity

[Martin Kersten]

Changeset: fa4d466d9432 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=fa4d466d9432
Modified Files:
        sql/backends/monet5/wlr.c
Branch: linear-hashing
Log Message:

Fix memory leak detected by Coverity


diffs (22 lines):

diff --git a/sql/backends/monet5/wlr.c b/sql/backends/monet5/wlr.c
--- a/sql/backends/monet5/wlr.c
+++ b/sql/backends/monet5/wlr.c
@@ -184,6 +184,7 @@ WLRgetMaster(void)
        int len;
        str dir;
        FILE *fd;
+       str msg = MAL_SUCCEED;
 
        if( wlr_master[0] == 0 )
                return MAL_SUCCEED;
@@ -198,7 +199,9 @@ WLRgetMaster(void)
        fd = fopen(dir,"r");
        GDKfree(dir);
        if( fd ){
-               WLCreadConfig(fd);
+               msg = WLCreadConfig(fd);
+               if( msg != MAL_SUCCEED)
+                       return msg;
                if( ! wlr_master[0] )
                        throw(MAL,"wlr.getMaster","Master not identified\n");
                wlc_state = WLC_CLONE; // not used as master
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