From a96e0c7798057dd8055d0263c076fed975c10237 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Tue, 2 Jan 2007 01:07:32 +0100 Subject: [SCSI] scsi: lpfc error path fix Add kmalloc failure check and fix the loop on error path. Without the patch pool element at index [0] will not be freed. Signed-off-by: Mariusz Kozlowski Acked-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_mem.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers/scsi/lpfc') diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c index 066292d3995a..ec3bbbde6f7a 100644 --- a/drivers/scsi/lpfc/lpfc_mem.c +++ b/drivers/scsi/lpfc/lpfc_mem.c @@ -56,6 +56,9 @@ lpfc_mem_alloc(struct lpfc_hba * phba) pool->elements = kmalloc(sizeof(struct lpfc_dmabuf) * LPFC_MBUF_POOL_SIZE, GFP_KERNEL); + if (!pool->elements) + goto fail_free_lpfc_mbuf_pool; + pool->max_count = 0; pool->current_count = 0; for ( i = 0; i < LPFC_MBUF_POOL_SIZE; i++) { @@ -82,10 +85,11 @@ lpfc_mem_alloc(struct lpfc_hba * phba) fail_free_mbox_pool: mempool_destroy(phba->mbox_mem_pool); fail_free_mbuf_pool: - while (--i) + while (i--) pci_pool_free(phba->lpfc_mbuf_pool, pool->elements[i].virt, pool->elements[i].phys); kfree(pool->elements); + fail_free_lpfc_mbuf_pool: pci_pool_destroy(phba->lpfc_mbuf_pool); fail_free_dma_buf_pool: pci_pool_destroy(phba->lpfc_scsi_dma_buf_pool); -- cgit v1.2.3