Add dummy_signal_irq function to save check in ISR

Signed-off-by: Alex Dubov <oakad@yahoo.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

1 files changed, 5 insertions, 6 deletions

diff --git a/drivers/misc/tifm_7xx1.c b/drivers/misc/tifm_7xx1.c
index 375b56742f2b..7fbf5d58bfc5 100644
--- a/drivers/misc/tifm_7xx1.c
+++ b/drivers/misc/tifm_7xx1.c
@@ -71,6 +71,7 @@ static void tifm_7xx1_remove_media(struct work_struct *work)
 static irqreturn_t tifm_7xx1_isr(int irq, void *dev_id)
 {
         struct tifm_adapter *fm = dev_id;
+        struct tifm_dev *sock;
         unsigned int irq_status;
         unsigned int sock_irq_status, cnt;
 
@@ -85,15 +86,13 @@ static irqreturn_t tifm_7xx1_isr(int irq, void *dev_id)
                 writel(TIFM_IRQ_ENABLE, fm->addr + FM_CLEAR_INTERRUPT_ENABLE);
 
                 for (cnt = 0; cnt <  fm->max_sockets; cnt++) {
+                        sock = fm->sockets[cnt];
                         sock_irq_status = (irq_status >> cnt) &
                                         (TIFM_IRQ_FIFOMASK | TIFM_IRQ_CARDMASK);
 
-                        if (fm->sockets[cnt]) {
-                                if (sock_irq_status &&
-                                                fm->sockets[cnt]->signal_irq)
-                                        fm->sockets[cnt]->
-                                                signal_irq(fm->sockets[cnt],
-                                                        sock_irq_status);
+                        if (sock) {
+                                if (sock_irq_status)
+                                        sock->signal_irq(sock, sock_irq_status);
 
                                 if (irq_status & (1 << cnt))
                                         fm->remove_mask |= 1 << cnt;