[PATCH 6/6] lightnvm: pblk: fix releases of kmem cache in error path

[Rakesh Pandit]

If pblk_core_init fails lets destroy all global caches.

Signed-off-by: Rakesh Pandit <rak...@tuxera.com>
---
 drivers/lightnvm/pblk-init.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c
index 519e5cf..9f39800 100644
--- a/drivers/lightnvm/pblk-init.c
+++ b/drivers/lightnvm/pblk-init.c
@@ -246,7 +246,7 @@ static int pblk_core_init(struct pblk *pblk)
        pblk->page_bio_pool = mempool_create_page_pool(nvm_max_phys_sects(dev),
                                                                        0);
        if (!pblk->page_bio_pool)
-               return -ENOMEM;
+               goto free_global_caches;
 
        pblk->gen_ws_pool = mempool_create_slab_pool(PBLK_GEN_WS_POOL_SIZE,
                                                        pblk_ws_cache);
@@ -314,6 +314,12 @@ static int pblk_core_init(struct pblk *pblk)
        mempool_destroy(pblk->gen_ws_pool);
 free_page_bio_pool:
        mempool_destroy(pblk->page_bio_pool);
+free_global_caches:
+       kmem_cache_destroy(pblk_ws_cache);
+       kmem_cache_destroy(pblk_rec_cache);
+       kmem_cache_destroy(pblk_g_rq_cache);
+       kmem_cache_destroy(pblk_e_rq_cache);
+       kmem_cache_destroy(pblk_w_rq_cache);
        return -ENOMEM;
 }
 
-- 
2.7.4