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Subject[PATCH v2] scsi: libcxgbi: use kvzalloc instead of opencoded kzalloc/vzalloc
Date
Remove cxgbi_alloc_big_mem(), cxgbi_free_big_mem() functions
and use kvzalloc/kvfree instead. __GFP_NOWARN added to kvzalloc()
call because we already print a warning in case of allocation fail.

Signed-off-by: Denis Efremov <efremov@linux.com>
---
drivers/scsi/cxgbi/libcxgbi.c | 8 ++++----
drivers/scsi/cxgbi/libcxgbi.h | 16 ----------------
2 files changed, 4 insertions(+), 20 deletions(-)

diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c
index 4bc794d2f51c..51f4d34da73f 100644
--- a/drivers/scsi/cxgbi/libcxgbi.c
+++ b/drivers/scsi/cxgbi/libcxgbi.c
@@ -77,9 +77,9 @@ int cxgbi_device_portmap_create(struct cxgbi_device *cdev, unsigned int base,
{
struct cxgbi_ports_map *pmap = &cdev->pmap;

- pmap->port_csk = cxgbi_alloc_big_mem(max_conn *
- sizeof(struct cxgbi_sock *),
- GFP_KERNEL);
+ pmap->port_csk = kvzalloc(array_size(max_conn,
+ sizeof(struct cxgbi_sock *)),
+ GFP_KERNEL | __GFP_NOWARN);
if (!pmap->port_csk) {
pr_warn("cdev 0x%p, portmap OOM %u.\n", cdev, max_conn);
return -ENOMEM;
@@ -124,7 +124,7 @@ static inline void cxgbi_device_destroy(struct cxgbi_device *cdev)
if (cdev->cdev2ppm)
cxgbi_ppm_release(cdev->cdev2ppm(cdev));
if (cdev->pmap.max_connect)
- cxgbi_free_big_mem(cdev->pmap.port_csk);
+ kvfree(cdev->pmap.port_csk);
kfree(cdev);
}

diff --git a/drivers/scsi/cxgbi/libcxgbi.h b/drivers/scsi/cxgbi/libcxgbi.h
index 84b96af52655..321426242be4 100644
--- a/drivers/scsi/cxgbi/libcxgbi.h
+++ b/drivers/scsi/cxgbi/libcxgbi.h
@@ -537,22 +537,6 @@ struct cxgbi_task_data {
#define iscsi_task_cxgbi_data(task) \
((task)->dd_data + sizeof(struct iscsi_tcp_task))

-static inline void *cxgbi_alloc_big_mem(unsigned int size,
- gfp_t gfp)
-{
- void *p = kzalloc(size, gfp | __GFP_NOWARN);
-
- if (!p)
- p = vzalloc(size);
-
- return p;
-}
-
-static inline void cxgbi_free_big_mem(void *addr)
-{
- kvfree(addr);
-}
-
static inline void cxgbi_set_iscsi_ipv4(struct cxgbi_hba *chba, __be32 ipaddr)
{
if (chba->cdev->flags & CXGBI_FLAG_IPV4_SET)
--
2.26.2
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