iscsit: use GFP_ATOMIC under spin lock

The function iscsit_build_conn_drop_async_message() is called
from iscsit_close_connection() with spin lock 'sess->conn_lock'
held, so we should use GFP_ATOMIC instead of GFP_KERNEL.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Cc: stable@vger.kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 4ad14ac9a12..339f97f7085 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -2336,7 +2336,7 @@ static void iscsit_build_conn_drop_async_message(struct iscsi_conn *conn)
         if (!conn_p)
                 return;
 
-        cmd = iscsit_allocate_cmd(conn_p, GFP_KERNEL);
+        cmd = iscsit_allocate_cmd(conn_p, GFP_ATOMIC);
         if (!cmd) {
                 iscsit_dec_conn_usage_count(conn_p);
                 return;