From f530834ef4d99ed2c6d8cb435a739a2a8167574a Mon Sep 17 00:00:00 2001 From: Daeseok Youn Date: Mon, 26 Sep 2016 09:38:48 +0900 Subject: [PATCH] staging: dgnc: remove useless message buffer There is a temporary message buffer for the boot message in dgnc_found_board() but the buffer was not used anywhere in dgnc driver. Signed-off-by: Daeseok Youn Signed-off-by: Greg Kroah-Hartman --- drivers/staging/dgnc/dgnc_driver.c | 28 ---------------------------- drivers/staging/dgnc/dgnc_driver.h | 6 ------ 2 files changed, 34 deletions(-) diff --git a/drivers/staging/dgnc/dgnc_driver.c b/drivers/staging/dgnc/dgnc_driver.c index b598034736c1..c87b3def6ed8 100644 --- a/drivers/staging/dgnc/dgnc_driver.c +++ b/drivers/staging/dgnc/dgnc_driver.c @@ -324,17 +324,6 @@ static void dgnc_cleanup_board(struct dgnc_board *brd) brd->re_map_membase = NULL; } - if (brd->msgbuf_head) { - unsigned long flags; - - spin_lock_irqsave(&dgnc_global_lock, flags); - brd->msgbuf = NULL; - dev_dbg(&brd->pdev->dev, "%s\n", brd->msgbuf_head); - kfree(brd->msgbuf_head); - brd->msgbuf_head = NULL; - spin_unlock_irqrestore(&dgnc_global_lock, flags); - } - /* Free all allocated channels structs */ for (i = 0; i < MAXPORTS ; i++) { if (brd->channels[i]) { @@ -362,7 +351,6 @@ static int dgnc_found_board(struct pci_dev *pdev, int id) unsigned int pci_irq; int i = 0; int rc = 0; - unsigned long flags; /* get the board structure and prep it */ dgnc_board[dgnc_num_boards] = kzalloc(sizeof(*brd), GFP_KERNEL); @@ -371,15 +359,6 @@ static int dgnc_found_board(struct pci_dev *pdev, int id) if (!brd) return -ENOMEM; - /* make a temporary message buffer for the boot messages */ - brd->msgbuf_head = kcalloc(8192, sizeof(u8), GFP_KERNEL); - brd->msgbuf = brd->msgbuf_head; - - if (!brd->msgbuf) { - kfree(brd); - return -ENOMEM; - } - /* store the info for the board we've found */ brd->magic = DGNC_BOARD_MAGIC; brd->boardnum = dgnc_num_boards; @@ -553,13 +532,6 @@ static int dgnc_found_board(struct pci_dev *pdev, int id) brd->bd_ops->tasklet, (unsigned long)brd); - spin_lock_irqsave(&dgnc_global_lock, flags); - brd->msgbuf = NULL; - dev_dbg(&brd->pdev->dev, "%s\n", brd->msgbuf_head); - kfree(brd->msgbuf_head); - brd->msgbuf_head = NULL; - spin_unlock_irqrestore(&dgnc_global_lock, flags); - 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 88d2696b8616..747a1008e5f9 100644 --- a/drivers/staging/dgnc/dgnc_driver.h +++ b/drivers/staging/dgnc/dgnc_driver.h @@ -213,12 +213,6 @@ struct dgnc_board { * as defined by DPA */ - /* - * Mgmt data. - */ - char *msgbuf_head; - char *msgbuf; - uint bd_dividend; /* Board/UARTs specific dividend */ struct board_ops *bd_ops; -- 2.39.5