diff mbox series

isdn: mISDN: netjet: Replace GFP_ATOMIC with GFP_KERNEL in nj_probe()

Message ID 20180727024109.1702-1-baijiaju1990@gmail.com
State Accepted, archived
Delegated to: David Miller
Headers show
Series isdn: mISDN: netjet: Replace GFP_ATOMIC with GFP_KERNEL in nj_probe() | expand

Commit Message

Jia-Ju Bai July 27, 2018, 2:41 a.m. UTC
nj_probe() is never called in atomic context.
It calls kzalloc() with GFP_ATOMIC, which is not necessary.
GFP_ATOMIC can be replaced with GFP_KERNEL.

This is found by a static analysis tool named DCNS written by myself.

Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
---
 drivers/isdn/hardware/mISDN/netjet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

David Miller July 27, 2018, 4:24 a.m. UTC | #1
From: Jia-Ju Bai <baijiaju1990@gmail.com>
Date: Fri, 27 Jul 2018 10:41:09 +0800

> nj_probe() is never called in atomic context.
> It calls kzalloc() with GFP_ATOMIC, which is not necessary.
> GFP_ATOMIC can be replaced with GFP_KERNEL.
> 
> This is found by a static analysis tool named DCNS written by myself.
> 
> Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>

Applied.
diff mbox series

Patch

diff --git a/drivers/isdn/hardware/mISDN/netjet.c b/drivers/isdn/hardware/mISDN/netjet.c
index 89d9ba8ed535..2b317cb63d06 100644
--- a/drivers/isdn/hardware/mISDN/netjet.c
+++ b/drivers/isdn/hardware/mISDN/netjet.c
@@ -1084,7 +1084,7 @@  nj_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		return -ENODEV;
 	}
 
-	card = kzalloc(sizeof(struct tiger_hw), GFP_ATOMIC);
+	card = kzalloc(sizeof(struct tiger_hw), GFP_KERNEL);
 	if (!card) {
 		pr_info("No kmem for Netjet\n");
 		return err;