This patch deletes all references to 'flipbuf'.Memory is allocated and
freed but never used anywhere in the driver.Also deleted an ununsed
Macro defined in the header file.
Signed-off-by: Gujulan Elango Hari Prasath <hgujulan@xxxxxxxxxxx>
---
drivers/staging/dgnc/dgnc_driver.c | 9 ---------
drivers/staging/dgnc/dgnc_driver.h | 3 ---
2 files changed, 12 deletions(-)
diff --git a/drivers/staging/dgnc/dgnc_driver.c b/drivers/staging/dgnc/dgnc_driver.c
index 935e297..7e4091f 100644
--- a/drivers/staging/dgnc/dgnc_driver.c
+++ b/drivers/staging/dgnc/dgnc_driver.c
@@ -355,7 +355,6 @@ static void dgnc_cleanup_board(struct dgnc_board *brd)
}
}
- kfree(brd->flipbuf);
dgnc_Board[brd->boardnum] = NULL;
@@ -582,14 +581,6 @@ static int dgnc_found_board(struct pci_dev *pdev, int id)
brd->msgbuf_head = NULL;
spin_unlock_irqrestore(&dgnc_global_lock, flags);
- /*
- * allocate flip buffer for board.
- *
- * Okay to malloc with GFP_KERNEL, we are not at interrupt
- * context, and there are no locks held.
- */
- brd->flipbuf = kzalloc(MYFLIPLEN, GFP_KERNEL);
-
wake_up_interruptible(&brd->state_wait);
return 0;
diff --git a/drivers/staging/dgnc/dgnc_driver.h b/drivers/staging/dgnc/dgnc_driver.h
index f77fed5..3dee9f3 100644
--- a/drivers/staging/dgnc/dgnc_driver.h
+++ b/drivers/staging/dgnc/dgnc_driver.h
@@ -212,8 +212,6 @@ struct dgnc_board {
uint TtyRefCnt;
- char *flipbuf; /* Our flip buffer, alloced if board is found */
-
u16 dpatype; /* The board "type", as defined by DPA */
u16 dpastatus; /* The board "status", as defined by DPA */
@@ -288,7 +286,6 @@ struct un_t {
#define CH_TX_FIFO_LWM 0x0800 /* TX Fifo is below Low Water */
#define CH_BREAK_SENDING 0x1000 /* Break is being sent */
#define CH_LOOPBACK 0x2000 /* Channel is in lookback mode */
-#define CH_FLIPBUF_IN_USE 0x4000 /* Channel's flipbuf is in use */
#define CH_BAUD0 0x08000 /* Used for checking B0 transitions */
#define CH_FORCED_STOP 0x20000 /* Output is forcibly stopped */
#define CH_FORCED_STOPI 0x40000 /* Input is forcibly stopped */
--
1.9.1
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