Commit 905386f8 authored by Joe Thornber's avatar Joe Thornber Committed by Alasdair G Kergon
Browse files

dm thin: fix memory leak in process_prepared_mapping error paths



Fix memory leak in process_prepared_mapping by always freeing
the dm_thin_new_mapping structs from the mapping_pool mempool on
the error paths.
Signed-off-by: default avatarJoe Thornber <ejt@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
Signed-off-by: default avatarAlasdair G Kergon <agk@redhat.com>
parent c66029f4
......@@ -870,7 +870,7 @@ static void process_prepared_mapping(struct dm_thin_new_mapping *m)
if (m->err) {
cell_error(m->cell);
return;
goto out;
}
/*
......@@ -882,7 +882,7 @@ static void process_prepared_mapping(struct dm_thin_new_mapping *m)
if (r) {
DMERR("dm_thin_insert_block() failed");
cell_error(m->cell);
return;
goto out;
}
/*
......@@ -897,6 +897,7 @@ static void process_prepared_mapping(struct dm_thin_new_mapping *m)
} else
cell_defer(tc, m->cell, m->data_block);
out:
list_del(&m->list);
mempool_free(m, tc->pool->mapping_pool);
}
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment