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hpsa: refactor freeing of resources into more logical functions 

refactor freeing of resources into more logical functions

Reviewed-by: Scott Teel <scott.teel@pmcs.com>
Reviewed-by: Kevin Barnett <kevin.barnett@pmcs.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Hannes Reinecke <hare@Suse.de>
Signed-off-by: Robert Elliott <elliott@hp.com>
Signed-off-by: Don Brace <don.brace@pmcs.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
Robert Elliott 2015-04-23 09:33:22 -05:00 committed by James Bottomley
parent 195f2c65f9
commit 1fb7c98aa4
1 changed files with 56 additions and 48 deletions
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104
drivers/scsi/hpsa.c
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@ -235,6 +235,8 @@ static void check_ioctl_unit_attention(struct ctlr_info *h,
static void calc_bucket_map(int *bucket, int num_buckets,
int nsgs, int min_blocks, u32 *bucket_map);
static void hpsa_put_ctlr_into_performant_mode(struct ctlr_info *h);
static void hpsa_free_ioaccel1_cmd_and_bft(struct ctlr_info *h);
static void hpsa_free_ioaccel2_cmd_and_bft(struct ctlr_info *h);
static inline u32 next_command(struct ctlr_info *h, u8 q);
static int hpsa_find_cfg_addrs(struct pci_dev *pdev, void __iomem *vaddr,
u32 *cfg_base_addr, u64 *cfg_base_addr_index,
@ -6873,6 +6875,21 @@ out_disable:
return rc;
}
static void hpsa_free_cmd_pool(struct ctlr_info *h)
{
kfree(h->cmd_pool_bits);
if (h->cmd_pool)
pci_free_consistent(h->pdev,
h->nr_cmds * sizeof(struct CommandList),
h->cmd_pool,
h->cmd_pool_dhandle);
if (h->errinfo_pool)
pci_free_consistent(h->pdev,
h->nr_cmds * sizeof(struct ErrorInfo),
h->errinfo_pool,
h->errinfo_pool_dhandle);
}
static int hpsa_alloc_cmd_pool(struct ctlr_info *h)
{
h->cmd_pool_bits = kzalloc(
@ -6897,28 +6914,6 @@ clean_up:
return -ENOMEM;
}
static void hpsa_free_cmd_pool(struct ctlr_info *h)
{
kfree(h->cmd_pool_bits);
if (h->cmd_pool)
pci_free_consistent(h->pdev,
h->nr_cmds * sizeof(struct CommandList),
h->cmd_pool, h->cmd_pool_dhandle);
if (h->ioaccel2_cmd_pool)
pci_free_consistent(h->pdev,
h->nr_cmds * sizeof(*h->ioaccel2_cmd_pool),
h->ioaccel2_cmd_pool, h->ioaccel2_cmd_pool_dhandle);
if (h->errinfo_pool)
pci_free_consistent(h->pdev,
h->nr_cmds * sizeof(struct ErrorInfo),
h->errinfo_pool,
h->errinfo_pool_dhandle);
if (h->ioaccel_cmd_pool)
pci_free_consistent(h->pdev,
h->nr_cmds * sizeof(struct io_accel1_cmd),
h->ioaccel_cmd_pool, h->ioaccel_cmd_pool_dhandle);
}
static void hpsa_irq_affinity_hints(struct ctlr_info *h)
{
int i, cpu;
@ -7039,8 +7034,10 @@ static void hpsa_free_reply_queues(struct ctlr_info *h)
for (i = 0; i < h->nreply_queues; i++) {
if (!h->reply_queue[i].head)
continue;
pci_free_consistent(h->pdev, h->reply_queue_size,
h->reply_queue[i].head, h->reply_queue[i].busaddr);
pci_free_consistent(h->pdev,
h->reply_queue_size,
h->reply_queue[i].head,
h->reply_queue[i].busaddr);
h->reply_queue[i].head = NULL;
h->reply_queue[i].busaddr = 0;
}
@ -7051,9 +7048,10 @@ static void hpsa_undo_allocations_after_kdump_soft_reset(struct ctlr_info *h)
hpsa_free_irqs(h);
hpsa_free_sg_chain_blocks(h);
hpsa_free_cmd_pool(h);
kfree(h->ioaccel1_blockFetchTable);
kfree(h->blockFetchTable);
hpsa_free_reply_queues(h);
kfree(h->blockFetchTable); /* perf 2 */
hpsa_free_reply_queues(h); /* perf 1 */
hpsa_free_ioaccel1_cmd_and_bft(h); /* perf 1 */
hpsa_free_ioaccel2_cmd_and_bft(h); /* perf 1 */
hpsa_free_cfgtables(h); /* pci_init 4 */
iounmap(h->vaddr); /* pci_init 3 */
hpsa_disable_interrupt_mode(h); /* pci_init 2 */
@ -7490,6 +7488,8 @@ reinit_after_soft_reset:
clean4:
hpsa_free_sg_chain_blocks(h);
hpsa_free_cmd_pool(h);
hpsa_free_ioaccel1_cmd_and_bft(h);
hpsa_free_ioaccel2_cmd_and_bft(h);
clean2_and_free_irqs:
hpsa_free_irqs(h);
clean2:
@ -7591,17 +7591,11 @@ static void hpsa_remove_one(struct pci_dev *pdev)
hpsa_free_device_info(h);
hpsa_free_sg_chain_blocks(h);
pci_free_consistent(h->pdev,
h->nr_cmds * sizeof(struct CommandList),
h->cmd_pool, h->cmd_pool_dhandle);
pci_free_consistent(h->pdev,
h->nr_cmds * sizeof(struct ErrorInfo),
h->errinfo_pool, h->errinfo_pool_dhandle);
hpsa_free_reply_queues(h);
kfree(h->cmd_pool_bits);
kfree(h->blockFetchTable);
kfree(h->ioaccel1_blockFetchTable);
kfree(h->ioaccel2_blockFetchTable);
kfree(h->blockFetchTable); /* perf 2 */
hpsa_free_reply_queues(h); /* perf 1 */
hpsa_free_ioaccel1_cmd_and_bft(h); /* perf 1 */
hpsa_free_ioaccel2_cmd_and_bft(h); /* perf 1 */
hpsa_free_cmd_pool(h); /* init_one 5 */
kfree(h->hba_inquiry_data);
/* includes hpsa_disable_interrupt_mode - pci_init 2 */
@ -7848,6 +7842,17 @@ static int hpsa_enter_performant_mode(struct ctlr_info *h, u32 trans_support)
return 0;
}
/* Free ioaccel1 mode command blocks and block fetch table */
static void hpsa_free_ioaccel1_cmd_and_bft(struct ctlr_info *h)
{
if (h->ioaccel_cmd_pool)
pci_free_consistent(h->pdev,
h->nr_cmds * sizeof(*h->ioaccel_cmd_pool),
h->ioaccel_cmd_pool,
h->ioaccel_cmd_pool_dhandle);
kfree(h->ioaccel1_blockFetchTable);
}
/* Allocate ioaccel1 mode command blocks and block fetch table */
static int hpsa_alloc_ioaccel1_cmd_and_bft(struct ctlr_info *h)
{
@ -7880,14 +7885,21 @@ static int hpsa_alloc_ioaccel1_cmd_and_bft(struct ctlr_info *h)
return 0;
clean_up:
if (h->ioaccel_cmd_pool)
pci_free_consistent(h->pdev,
h->nr_cmds * sizeof(*h->ioaccel_cmd_pool),
h->ioaccel_cmd_pool, h->ioaccel_cmd_pool_dhandle);
kfree(h->ioaccel1_blockFetchTable);
hpsa_free_ioaccel1_cmd_and_bft(h);
return 1;
}
/* Free ioaccel2 mode command blocks and block fetch table */
static void hpsa_free_ioaccel2_cmd_and_bft(struct ctlr_info *h)
{
if (h->ioaccel2_cmd_pool)
pci_free_consistent(h->pdev,
h->nr_cmds * sizeof(*h->ioaccel2_cmd_pool),
h->ioaccel2_cmd_pool,
h->ioaccel2_cmd_pool_dhandle);
kfree(h->ioaccel2_blockFetchTable);
}
/* Allocate ioaccel2 mode command blocks and block fetch table */
static int hpsa_alloc_ioaccel2_cmd_and_bft(struct ctlr_info *h)
{
@ -7918,11 +7930,7 @@ static int hpsa_alloc_ioaccel2_cmd_and_bft(struct ctlr_info *h)
return 0;
clean_up:
if (h->ioaccel2_cmd_pool)
pci_free_consistent(h->pdev,
h->nr_cmds * sizeof(*h->ioaccel2_cmd_pool),
h->ioaccel2_cmd_pool, h->ioaccel2_cmd_pool_dhandle);
kfree(h->ioaccel2_blockFetchTable);
hpsa_free_ioaccel2_cmd_and_bft(h);
return 1;
}