In the rest of the code, the data is protected with spin_lock_irqsave().
Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@xxxxxxxxxx>
---
drivers/staging/ipack/devices/ipoctal.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/staging/ipack/devices/ipoctal.c b/drivers/staging/ipack/devices/ipoctal.c
index b11126d..ec7b2f9 100644
--- a/drivers/staging/ipack/devices/ipoctal.c
+++ b/drivers/staging/ipack/devices/ipoctal.c
@@ -299,7 +299,7 @@ static int ipoctal_irq_handler(void *arg)
ipoctal->nb_bytes[channel] = 0;
continue;
}
- spin_lock(&ipoctal->lock[channel]);
+
value = ipoctal->tty_port[channel].xmit_buf[*pointer_write];
ipoctal_write_io_reg(ipoctal,
&ipoctal->chan_regs[channel].u.w.thr,
@@ -309,7 +309,6 @@ static int ipoctal_irq_handler(void *arg)
(*pointer_write)++;
*pointer_write = *pointer_write % PAGE_SIZE;
ipoctal->nb_bytes[channel]--;
- spin_unlock(&ipoctal->lock[channel]);
if ((ipoctal->nb_bytes[channel] == 0) &&
(waitqueue_active(&ipoctal->queue[channel]))) {
--
1.7.10
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