Input: locomokbd - use guard notation when acquiring spinlock

Using guard notation makes the code more compact and error handling
more robust by ensuring that locks are released in all code paths
when control leaves critical section.

Link: https://lore.kernel.org/r/Zxr4AMJrzhZlHAlf@google.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
pull/1090/head
Dmitry Torokhov 2024-10-24 18:44:32 -07:00
parent dda8fdb033
commit 229ba714e5
1 changed files with 1 additions and 4 deletions

View File

@ -112,11 +112,10 @@ static inline void locomokbd_reset_col(unsigned long membase, int col)
static void locomokbd_scankeyboard(struct locomokbd *locomokbd)
{
unsigned int row, col, rowd;
unsigned long flags;
unsigned int num_pressed;
unsigned long membase = locomokbd->base;
spin_lock_irqsave(&locomokbd->lock, flags);
guard(spinlock_irqsave)(&locomokbd->lock);
locomokbd_charge_all(membase);
@ -167,8 +166,6 @@ static void locomokbd_scankeyboard(struct locomokbd *locomokbd)
mod_timer(&locomokbd->timer, jiffies + SCAN_INTERVAL);
else
locomokbd->count_cancel = 0;
spin_unlock_irqrestore(&locomokbd->lock, flags);
}
/*