From 978eb516a4e1a1b47163518d6f5d5e81ab27a583 Mon Sep 17 00:00:00 2001 From: "Stephen M. Cameron" Date: Fri, 11 Mar 2011 20:07:38 +0100 Subject: [PATCH] cciss: Add missing allocation in scsi_cmd_stack_setup and corresponding deallocation This bit got lost somewhere along the way. Without this, panic. Signed-off-by: Stephen M. Cameron Cc: stable@kernel.org Signed-off-by: Jens Axboe --- drivers/block/cciss_scsi.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c index 727d0225b7d0..3bfbde8b4013 100644 --- a/drivers/block/cciss_scsi.c +++ b/drivers/block/cciss_scsi.c @@ -226,6 +226,13 @@ scsi_cmd_stack_setup(ctlr_info_t *h, struct cciss_scsi_adapter_data_t *sa) return -ENOMEM; } + stk->elem = kmalloc(sizeof(stk->elem[0]) * stk->nelems, GFP_KERNEL); + if (!stk->elem) { + pci_free_consistent(h->pdev, size, stk->pool, + stk->cmd_pool_handle); + return -1; + } + for (i=0; ielem[i] = &stk->pool[i]; stk->elem[i]->busaddr = (__u32) (stk->cmd_pool_handle + @@ -255,6 +262,8 @@ scsi_cmd_stack_free(ctlr_info_t *h) pci_free_consistent(h->pdev, size, stk->pool, stk->cmd_pool_handle); stk->pool = NULL; cciss_free_sg_chain_blocks(sa->cmd_sg_list, CMD_STACK_SIZE); + kfree(stk->elem); + stk->elem = NULL; } #if 0 -- 2.20.1