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skd: Remove set-but-not-used local variables

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These variables have been detected by building with W=1. Declare
'acc' as __maybe_unused because most access_ok() implementations
ignore their first argument. This patch does not change any
functionality.

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Bart Van Assche 2017-08-17 13:12:55 -07:00 committed by Jens Axboe
parent e1d06f2d8a
commit 95895e178a
1 changed files with 1 additions and 10 deletions
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11
drivers/block/skd_main.c
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@ -537,8 +537,6 @@ static void skd_request_fn(struct request_queue *q)
u32 lba;
u32 count;
int data_dir;
u32 be_lba;
u32 be_count;
u64 be_dmaa;
u64 cmdctxt;
u32 timo_slot;
@ -676,8 +674,6 @@ static void skd_request_fn(struct request_queue *q)
cmd_ptr = &skmsg->msg_buf[skmsg->length];
memset(cmd_ptr, 0, 32);
be_lba = cpu_to_be32(lba);
be_count = cpu_to_be32(count);
be_dmaa = cpu_to_be64((u64)skreq->sksg_dma_address);
cmdctxt = skreq->id + SKD_ID_INCR;
@ -889,7 +885,6 @@ static void skd_postop_sg_list(struct skd_device *skdev,
static void skd_request_fn_not_online(struct request_queue *q)
{
struct skd_device *skdev = q->queuedata;
int error;
SKD_ASSERT(skdev->state != SKD_DRVR_STATE_ONLINE);
@ -919,7 +914,6 @@ static void skd_request_fn_not_online(struct request_queue *q)
case SKD_DRVR_STATE_FAULT:
case SKD_DRVR_STATE_DISAPPEARED:
default:
error = -EIO;
break;
}
@ -943,7 +937,6 @@ static void skd_timer_tick(ulong arg)
struct skd_device *skdev = (struct skd_device *)arg;
u32 timo_slot;
u32 overdue_timestamp;
unsigned long reqflags;
u32 state;
@ -976,8 +969,6 @@ static void skd_timer_tick(ulong arg)
goto timer_func_out;
/* Something is overdue */
overdue_timestamp = skdev->timeout_stamp - SKD_N_TIMEOUT_SLOT;
pr_debug("%s:%s:%d found %d timeouts, draining busy=%d\n",
skdev->name, __func__, __LINE__,
skdev->timeout_slot[timo_slot], skdev->in_flight);
@ -1297,7 +1288,7 @@ static int skd_sg_io_get_and_check_args(struct skd_device *skdev,
struct skd_sg_io *sksgio)
{
struct sg_io_hdr *sgp = &sksgio->sg;
int i, acc;
int i, __maybe_unused acc;
if (!access_ok(VERIFY_WRITE, sksgio->argp, sizeof(sg_io_hdr_t))) {
pr_debug("%s:%s:%d access sg failed %p\n",