staging: dgnc: dgnc_mgmt.c: Replace non-standard spinlock's macros
This patch replaces non-standard spinlock's macros.
It is done using coccinelle and the following semantic patch:
@@
expression x;
@@
- DGNC_SPINLOCK_INIT(x)
+ spin_lock_init(&x)
@@
expression x, y;
@@
- DGNC_LOCK(x, y)
+ spin_lock_irqsave(&x, y)
@@
expression x, y;
@@
- DGNC_UNLOCK(x, y)
+ spin_unlock_irqrestore(&x, y)
@used_by_lock exists@
typedef ulong;
symbol lock_flags;
position p1, p2;
@@
(
ulong lock_flags@p1;
|
unsigned long lock_flags@p2;
)
...
(
spin_lock_irqsave(..., lock_flags)
|
spin_unlock_irqrestore(..., lock_flags)
)
@@
position used_by_lock.p1, used_by_lock.p2;
@@
(
- ulong lock_flags@p1;
+ unsigned long flags;
|
- unsigned long lock_flags@p2;
+ unsigned long flags;
)
<...
- lock_flags
+ flags
...>
Signed-off-by: Roberta Dobrescu <roberta.dobrescu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/dgnc/dgnc_mgmt.c b/drivers/staging/dgnc/dgnc_mgmt.c
index 31e9f45..9e45b85 100644
--- a/drivers/staging/dgnc/dgnc_mgmt.c
+++ b/drivers/staging/dgnc/dgnc_mgmt.c
@@ -62,25 +62,25 @@
*/
int dgnc_mgmt_open(struct inode *inode, struct file *file)
{
- unsigned long lock_flags;
+ unsigned long flags;
unsigned int minor = iminor(inode);
- DGNC_LOCK(dgnc_global_lock, lock_flags);
+ spin_lock_irqsave(&dgnc_global_lock, flags);
/* mgmt device */
if (minor < MAXMGMTDEVICES) {
/* Only allow 1 open at a time on mgmt device */
if (dgnc_mgmt_in_use[minor]) {
- DGNC_UNLOCK(dgnc_global_lock, lock_flags);
+ spin_unlock_irqrestore(&dgnc_global_lock, flags);
return -EBUSY;
}
dgnc_mgmt_in_use[minor]++;
} else {
- DGNC_UNLOCK(dgnc_global_lock, lock_flags);
+ spin_unlock_irqrestore(&dgnc_global_lock, flags);
return -ENXIO;
}
- DGNC_UNLOCK(dgnc_global_lock, lock_flags);
+ spin_unlock_irqrestore(&dgnc_global_lock, flags);
return 0;
}
@@ -93,17 +93,17 @@
*/
int dgnc_mgmt_close(struct inode *inode, struct file *file)
{
- unsigned long lock_flags;
+ unsigned long flags;
unsigned int minor = iminor(inode);
- DGNC_LOCK(dgnc_global_lock, lock_flags);
+ spin_lock_irqsave(&dgnc_global_lock, flags);
/* mgmt device */
if (minor < MAXMGMTDEVICES) {
if (dgnc_mgmt_in_use[minor])
dgnc_mgmt_in_use[minor] = 0;
}
- DGNC_UNLOCK(dgnc_global_lock, lock_flags);
+ spin_unlock_irqrestore(&dgnc_global_lock, flags);
return 0;
}
@@ -117,7 +117,7 @@
long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
- unsigned long lock_flags;
+ unsigned long flags;
void __user *uarg = (void __user *) arg;
switch (cmd) {
@@ -131,12 +131,12 @@
*/
struct digi_dinfo ddi;
- DGNC_LOCK(dgnc_global_lock, lock_flags);
+ spin_lock_irqsave(&dgnc_global_lock, flags);
ddi.dinfo_nboards = dgnc_NumBoards;
sprintf(ddi.dinfo_version, "%s", DG_PART);
- DGNC_UNLOCK(dgnc_global_lock, lock_flags);
+ spin_unlock_irqrestore(&dgnc_global_lock, flags);
if (copy_to_user(uarg, &ddi, sizeof(ddi)))
return -EFAULT;
@@ -161,7 +161,7 @@
di.info_bdnum = brd;
- DGNC_LOCK(dgnc_Board[brd]->bd_lock, lock_flags);
+ spin_lock_irqsave(&dgnc_Board[brd]->bd_lock, flags);
di.info_bdtype = dgnc_Board[brd]->dpatype;
di.info_bdstate = dgnc_Board[brd]->dpastatus;
@@ -173,7 +173,7 @@
else
di.info_nports = 0;
- DGNC_UNLOCK(dgnc_Board[brd]->bd_lock, lock_flags);
+ spin_unlock_irqrestore(&dgnc_Board[brd]->bd_lock, flags);
if (copy_to_user(uarg, &di, sizeof(di)))
return -EFAULT;
@@ -212,7 +212,7 @@
ni.board = board;
ni.channel = channel;
- DGNC_LOCK(ch->ch_lock, lock_flags);
+ spin_lock_irqsave(&ch->ch_lock, flags);
mstat = (ch->ch_mostat | ch->ch_mistat);
@@ -266,7 +266,7 @@
ni.baud = ch->ch_old_baud;
- DGNC_UNLOCK(ch->ch_lock, lock_flags);
+ spin_unlock_irqrestore(&ch->ch_lock, flags);
if (copy_to_user(uarg, &ni, sizeof(ni)))
return -EFAULT;