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clear-pkgs-linux-iot-lts2018/0638-hyper_dmabuf-Remove-un...

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Date: Tue, 31 Jul 2018 14:39:40 -0700
Subject: [PATCH] hyper_dmabuf: Remove unused variable warnings
Remove unused variable warnings in hyper_dmabuf_list.c,
hyper_dmabuf_msg.c and hyper_dmabuf_ops.c
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Reviewed-by: Zhao Yakui <yakui.zhao@intel.com>
---
.../dma-buf/hyper_dmabuf/hyper_dmabuf_list.c | 1 -
.../dma-buf/hyper_dmabuf/hyper_dmabuf_msg.c | 2 --
.../dma-buf/hyper_dmabuf/hyper_dmabuf_ops.c | 27 +++++++------------
3 files changed, 9 insertions(+), 21 deletions(-)
diff --git a/drivers/dma-buf/hyper_dmabuf/hyper_dmabuf_list.c b/drivers/dma-buf/hyper_dmabuf/hyper_dmabuf_list.c
index bba6d1d..84cfb06 100644
--- a/drivers/dma-buf/hyper_dmabuf/hyper_dmabuf_list.c
+++ b/drivers/dma-buf/hyper_dmabuf/hyper_dmabuf_list.c
@@ -34,7 +34,6 @@
#include "hyper_dmabuf_drv.h"
#include "hyper_dmabuf_list.h"
#include "hyper_dmabuf_id.h"
-#include "hyper_dmabuf_event.h"
DECLARE_HASHTABLE(hyper_dmabuf_hash_imported, MAX_ENTRY_IMPORTED);
DECLARE_HASHTABLE(hyper_dmabuf_hash_exported, MAX_ENTRY_EXPORTED);
diff --git a/drivers/dma-buf/hyper_dmabuf/hyper_dmabuf_msg.c b/drivers/dma-buf/hyper_dmabuf/hyper_dmabuf_msg.c
index 37ee894..c5d99d2 100644
--- a/drivers/dma-buf/hyper_dmabuf/hyper_dmabuf_msg.c
+++ b/drivers/dma-buf/hyper_dmabuf/hyper_dmabuf_msg.c
@@ -124,11 +124,9 @@ static void cmd_process_work(struct work_struct *work)
struct cmd_process, work);
struct hyper_dmabuf_req *req;
hyper_dmabuf_id_t hid;
- int domid;
int i;
req = proc->rq;
- domid = proc->domid;
switch (req->cmd) {
case HYPER_DMABUF_EXPORT:
diff --git a/drivers/dma-buf/hyper_dmabuf/hyper_dmabuf_ops.c b/drivers/dma-buf/hyper_dmabuf/hyper_dmabuf_ops.c
index a8207b4..10b5510 100644
--- a/drivers/dma-buf/hyper_dmabuf/hyper_dmabuf_ops.c
+++ b/drivers/dma-buf/hyper_dmabuf/hyper_dmabuf_ops.c
@@ -106,14 +106,13 @@ static void hyper_dmabuf_ops_detach(struct dma_buf *dmabuf,
struct dma_buf_attachment *attach)
{
struct imported_sgt_info *imported;
- int ret;
if (!attach->dmabuf->priv)
return;
imported = (struct imported_sgt_info *)attach->dmabuf->priv;
- ret = sync_request(imported->hid, HYPER_DMABUF_OPS_DETACH);
+ sync_request(imported->hid, HYPER_DMABUF_OPS_DETACH);
}
static struct sg_table *hyper_dmabuf_ops_map(
@@ -169,7 +168,6 @@ static void hyper_dmabuf_ops_unmap(struct dma_buf_attachment *attachment,
enum dma_data_direction dir)
{
struct imported_sgt_info *imported;
- int ret;
if (!attachment->dmabuf->priv)
return;
@@ -181,14 +179,13 @@ static void hyper_dmabuf_ops_unmap(struct dma_buf_attachment *attachment,
sg_free_table(sg);
kfree(sg);
- ret = sync_request(imported->hid, HYPER_DMABUF_OPS_UNMAP);
+ sync_request(imported->hid, HYPER_DMABUF_OPS_UNMAP);
}
static void hyper_dmabuf_ops_release(struct dma_buf *dma_buf)
{
struct imported_sgt_info *imported;
struct hyper_dmabuf_bknd_ops *bknd_ops = hy_drv_priv->bknd_ops;
- int ret;
int finish;
if (!dma_buf->priv)
@@ -215,7 +212,7 @@ static void hyper_dmabuf_ops_release(struct dma_buf *dma_buf)
finish = imported && !imported->valid &&
!imported->importers;
- ret = sync_request(imported->hid, HYPER_DMABUF_OPS_RELEASE);
+ sync_request(imported->hid, HYPER_DMABUF_OPS_RELEASE);
/*
* Check if buffer is still valid and if not remove it
@@ -262,14 +259,13 @@ static void *hyper_dmabuf_ops_kmap_atomic(struct dma_buf *dmabuf,
unsigned long pgnum)
{
struct imported_sgt_info *imported;
- int ret;
if (!dmabuf->priv)
return NULL;
imported = (struct imported_sgt_info *)dmabuf->priv;
- ret = sync_request(imported->hid, HYPER_DMABUF_OPS_KMAP_ATOMIC);
+ sync_request(imported->hid, HYPER_DMABUF_OPS_KMAP_ATOMIC);
/* TODO: NULL for now. Need to return the addr of mapped region */
return NULL;
@@ -279,27 +275,25 @@ static void hyper_dmabuf_ops_kunmap_atomic(struct dma_buf *dmabuf,
unsigned long pgnum, void *vaddr)
{
struct imported_sgt_info *imported;
- int ret;
if (!dmabuf->priv)
return;
imported = (struct imported_sgt_info *)dmabuf->priv;
- ret = sync_request(imported->hid, HYPER_DMABUF_OPS_KUNMAP_ATOMIC);
+ sync_request(imported->hid, HYPER_DMABUF_OPS_KUNMAP_ATOMIC);
}
static void *hyper_dmabuf_ops_kmap(struct dma_buf *dmabuf, unsigned long pgnum)
{
struct imported_sgt_info *imported;
- int ret;
if (!dmabuf->priv)
return NULL;
imported = (struct imported_sgt_info *)dmabuf->priv;
- ret = sync_request(imported->hid, HYPER_DMABUF_OPS_KMAP);
+ sync_request(imported->hid, HYPER_DMABUF_OPS_KMAP);
/* for now NULL.. need to return the address of mapped region */
return NULL;
@@ -309,14 +303,13 @@ static void hyper_dmabuf_ops_kunmap(struct dma_buf *dmabuf, unsigned long pgnum,
void *vaddr)
{
struct imported_sgt_info *imported;
- int ret;
if (!dmabuf->priv)
return;
imported = (struct imported_sgt_info *)dmabuf->priv;
- ret = sync_request(imported->hid, HYPER_DMABUF_OPS_KUNMAP);
+ sync_request(imported->hid, HYPER_DMABUF_OPS_KUNMAP);
}
static int hyper_dmabuf_ops_mmap(struct dma_buf *dmabuf,
@@ -338,14 +331,13 @@ static int hyper_dmabuf_ops_mmap(struct dma_buf *dmabuf,
static void *hyper_dmabuf_ops_vmap(struct dma_buf *dmabuf)
{
struct imported_sgt_info *imported;
- int ret;
if (!dmabuf->priv)
return NULL;
imported = (struct imported_sgt_info *)dmabuf->priv;
- ret = sync_request(imported->hid, HYPER_DMABUF_OPS_VMAP);
+ sync_request(imported->hid, HYPER_DMABUF_OPS_VMAP);
return NULL;
}
@@ -353,14 +345,13 @@ static void *hyper_dmabuf_ops_vmap(struct dma_buf *dmabuf)
static void hyper_dmabuf_ops_vunmap(struct dma_buf *dmabuf, void *vaddr)
{
struct imported_sgt_info *imported;
- int ret;
if (!dmabuf->priv)
return;
imported = (struct imported_sgt_info *)dmabuf->priv;
- ret = sync_request(imported->hid, HYPER_DMABUF_OPS_VUNMAP);
+ sync_request(imported->hid, HYPER_DMABUF_OPS_VUNMAP);
}
static const struct dma_buf_ops hyper_dmabuf_ops = {
--
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