chcr: Fix CPU hard lockup

Soft lock should be taken in place of hard lock.

Signed-off-by: Rohit Maheshwari <rohitm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/crypto/chelsio/chcr_ktls.c b/drivers/crypto/chelsio/chcr_ktls.c
index cd1769e..e92b352 100644 (file)
--- a/drivers/crypto/chelsio/chcr_ktls.c
+++ b/drivers/crypto/chelsio/chcr_ktls.c
@@ -120,12 +120,10 @@ out:
 static int chcr_ktls_update_connection_state(struct chcr_ktls_info *tx_info,
                                             int new_state)
 {
-       unsigned long flags;
-
        /* This function can be called from both rx (interrupt context) and tx
         * queue contexts.
         */
-       spin_lock_irqsave(&tx_info->lock, flags);
+       spin_lock_bh(&tx_info->lock);
        switch (tx_info->connection_state) {
        case KTLS_CONN_CLOSED:
                tx_info->connection_state = new_state;
@@ -169,7 +167,7 @@ static int chcr_ktls_update_connection_state(struct chcr_ktls_info *tx_info,
                pr_err("unknown KTLS connection state\n");
                break;
        }
-       spin_unlock_irqrestore(&tx_info->lock, flags);
+       spin_unlock_bh(&tx_info->lock);
 
        return tx_info->connection_state;
 }