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[-next] slimbus: Use GFP_ATOMIC under spin lock

Message ID 1514857554-83836-1-git-send-email-weiyongjun1@huawei.com (mailing list archive)
State New, archived
Headers show

Commit Message

Wei Yongjun Jan. 2, 2018, 1:45 a.m. UTC 
A spin lock is taken here so we should use GFP_ATOMIC.

Fixes: afbdcc7c384b ("slimbus: Add messaging APIs to slimbus framework")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
 drivers/slimbus/messaging.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/slimbus/messaging.c b/drivers/slimbus/messaging.c
index 755462a..ef54ea1 100644
--- a/drivers/slimbus/messaging.c
+++ b/drivers/slimbus/messaging.c
@@ -98,7 +98,7 @@  int slim_do_transfer(struct slim_controller *ctrl, struct slim_msg_txn *txn)
 	if (need_tid) {
 		spin_lock_irqsave(&ctrl->txn_lock, flags);
 		tid = idr_alloc(&ctrl->tid_idr, txn, 0,
-				SLIM_MAX_TIDS, GFP_KERNEL);
+				SLIM_MAX_TIDS, GFP_ATOMIC);
 		txn->tid = tid;
 
 		if (!txn->msg->comp)