- remove the from_initialization argument, which is always 1. We
always need to use GFP_ATOMIC.
- 'got' valuable is initialized to zero and doesn't change. We don't
need it.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
---
drivers/scsi/st.c | 20 +++++---------------
1 files changed, 5 insertions(+), 15 deletions(-)
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 4cd06cc..ac1cd62 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -182,7 +182,6 @@ static struct scsi_tape **scsi_tapes = NULL;
static int modes_defined;
-static struct st_buffer *new_tape_buffer(int, int, int);
static int enlarge_buffer(struct st_buffer *, int, int);
static void clear_buffer(struct st_buffer *);
static void normalize_buffer(struct st_buffer *);
@@ -3740,30 +3739,21 @@ static long st_compat_ioctl(struct file *file, unsigned int cmd, unsigned long a
/* Try to allocate a new tape buffer. Calling function must not hold
dev_arr_lock. */
-static struct st_buffer *
- new_tape_buffer(int from_initialization, int need_dma, int max_sg)
+static struct st_buffer *new_tape_buffer(int need_dma, int max_sg)
{
- int got = 0;
- gfp_t priority;
struct st_buffer *tb;
- if (from_initialization)
- priority = GFP_ATOMIC;
- else
- priority = GFP_KERNEL;
-
- tb = kzalloc(sizeof(struct st_buffer), priority);
+ tb = kzalloc(sizeof(struct st_buffer), GFP_ATOMIC);
if (!tb) {
printk(KERN_NOTICE "st: Can't allocate new tape buffer.\n");
return NULL;
}
tb->frp_segs = tb->orig_frp_segs = 0;
tb->use_sg = max_sg;
-
tb->dma = need_dma;
- tb->buffer_size = got;
+ tb->buffer_size = 0;
- tb->reserved_pages = kzalloc(max_sg * sizeof(struct page *), priority);
+ tb->reserved_pages = kzalloc(max_sg * sizeof(struct page *), GFP_ATOMIC);
if (!tb->reserved_pages) {
kfree(tb);
return NULL;
@@ -4058,7 +4048,7 @@ static int st_probe(struct device *dev)
SDp->request_queue->max_phys_segments);
if (st_max_sg_segs < i)
i = st_max_sg_segs;
- buffer = new_tape_buffer(1, (SDp->host)->unchecked_isa_dma, i);
+ buffer = new_tape_buffer((SDp->host)->unchecked_isa_dma, i);
if (buffer == NULL) {
printk(KERN_ERR
"st: Can't allocate new tape buffer. Device not attached.\n");
--
1.5.6.5
--
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