[PATCH] iscsi: Don't disable BH on BH context

[Ying Xue]

Since we have already in BH context when iscsi_sw_tcp_write_space()
is called, it's unnecessary to disable BH.

Signed-off-by: Ying Xue <ying.xue@xxxxxxxxxxxxx>
---
 drivers/scsi/iscsi_tcp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 9220861..d763857 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -194,7 +194,7 @@ static void iscsi_sw_tcp_write_space(struct sock *sk)
 	struct iscsi_sw_tcp_conn *tcp_sw_conn;
 	void (*old_write_space)(struct sock *);
 
-	read_lock_bh(&sk->sk_callback_lock);
+	read_lock(&sk->sk_callback_lock);
 	conn = sk->sk_user_data;
 	if (!conn) {
 		read_unlock_bh(&sk->sk_callback_lock);
@@ -204,7 +204,7 @@ static void iscsi_sw_tcp_write_space(struct sock *sk)
 	tcp_conn = conn->dd_data;
 	tcp_sw_conn = tcp_conn->dd_data;
 	old_write_space = tcp_sw_conn->old_write_space;
-	read_unlock_bh(&sk->sk_callback_lock);
+	read_unlock(&sk->sk_callback_lock);
 
 	old_write_space(sk);
 
-- 
1.7.11

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