diff options
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/dln2.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/mfd/dln2.c b/drivers/mfd/dln2.c index 704e189ca162..90e789943466 100644 --- a/drivers/mfd/dln2.c +++ b/drivers/mfd/dln2.c @@ -194,6 +194,7 @@ static bool dln2_transfer_complete(struct dln2_dev *dln2, struct urb *urb, struct device *dev = &dln2->interface->dev; struct dln2_mod_rx_slots *rxs = &dln2->mod_rx_slots[handle]; struct dln2_rx_context *rxc; + unsigned long flags; bool valid_slot = false; if (rx_slot >= DLN2_MAX_RX_SLOTS) @@ -201,18 +202,13 @@ static bool dln2_transfer_complete(struct dln2_dev *dln2, struct urb *urb, rxc = &rxs->slots[rx_slot]; - /* - * No need to disable interrupts as this lock is not taken in interrupt - * context elsewhere in this driver. This function (or its callers) are - * also not exported to other modules. - */ - spin_lock(&rxs->lock); + spin_lock_irqsave(&rxs->lock, flags); if (rxc->in_use && !rxc->urb) { rxc->urb = urb; complete(&rxc->done); valid_slot = true; } - spin_unlock(&rxs->lock); + spin_unlock_irqrestore(&rxs->lock, flags); out: if (!valid_slot) |