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Fix segfault on HYPRE_SStructGraphDestroy (#617)

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This PR fixes a segmentation fault on HYPRE_SStructGraphDestroy. The error occurred when the number of graph entries added to the SStructGraph via HYPRE_SStructGraphAddEntries was larger than 1000.
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Victor A. Paludetto Magri 2022-04-06 21:12:41 -07:00 committed by GitHub
parent 70d055a994
commit 8017ce459b
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 4 deletions
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6
src/sstruct_mv/HYPRE_sstruct_graph.c
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@ -102,7 +102,6 @@ HYPRE_SStructGraphDestroy( HYPRE_SStructGraph graph )
hypre_SStructUVEntry **Uventries;
hypre_SStructUVEntry *Uventry;
HYPRE_BigInt **Uveoffsets;
HYPRE_Int a_graph_entries;
hypre_SStructGraphEntry **graph_entries;
HYPRE_Int nvars;
HYPRE_Int part, var, i;
@ -157,9 +156,8 @@ HYPRE_SStructGraphDestroy( HYPRE_SStructGraph graph )
hypre_TFree(iUventries, HYPRE_MEMORY_HOST);
hypre_TFree(Uventries, HYPRE_MEMORY_HOST);
hypre_TFree(Uveoffsets, HYPRE_MEMORY_HOST);
a_graph_entries = hypre_SStructAGraphEntries(graph);
graph_entries = hypre_SStructGraphEntries(graph);
for (i = 0; i < a_graph_entries; i++)
for (i = 0; i < hypre_SStructNGraphEntries(graph); i++)
{
hypre_TFree(graph_entries[i], HYPRE_MEMORY_HOST);
}
@ -270,7 +268,7 @@ HYPRE_SStructGraphAddEntries( HYPRE_SStructGraph graph,
if (!a_entries)
{
a_entries = 1000;
entries = hypre_CTAlloc(hypre_SStructGraphEntry *, a_entries, HYPRE_MEMORY_HOST);
entries = hypre_TAlloc(hypre_SStructGraphEntry *, a_entries, HYPRE_MEMORY_HOST);
hypre_SStructAGraphEntries(graph) = a_entries;
hypre_SStructGraphEntries(graph) = entries;