Commit a9072fe0 authored by Mark Hounschell's avatar Mark Hounschell Committed by Greg Kroah-Hartman
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staging: dgap: remove unnecessary dgap_global_lock 



dgap_global_lock is no longer required. This patch
removes it.

Signed-off-by: default avatarMark Hounschell <markh@compro.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 54794d19

drivers/staging/dgap/dgap.c

+1 −9
Original line number Diff line number Diff line
@@ -240,7 +240,6 @@ static const struct file_operations DgapBoardFops = { 
 */

static uint dgap_NumBoards;

static struct board_t *dgap_Board[MAXBOARDS];

DEFINE_SPINLOCK(dgap_global_lock);

static ulong dgap_poll_counter;

static char *dgap_config_buf;

static int dgap_driver_state = DRIVER_INITIALIZED;
@@ -1264,10 +1263,6 @@ static int dgap_ms_sleep(ulong ms) 
 */

static int dgap_tty_preinit(void)

{

	unsigned long flags;



	DGAP_LOCK(dgap_global_lock, flags);



	/*

	 * Allocate a buffer for doing the copy from user space to

	 * kernel space in dgap_input().  We only use one buffer and
@@ -1276,12 +1271,9 @@ static int dgap_tty_preinit(void) 
	 */

	dgap_TmpWriteBuf = kmalloc(WRITEBUFLEN, GFP_ATOMIC);



	if (!dgap_TmpWriteBuf) {

		DGAP_UNLOCK(dgap_global_lock, flags);

	if (!dgap_TmpWriteBuf)

		return -ENOMEM;

	}



	DGAP_UNLOCK(dgap_global_lock, flags);

	return 0;

}