btmrvl_sdio_card_to_host() is never called in atomic context.
It calls bt_skb_alloc() 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.
I also manually check the kernel code before reporting it.

Signed-off-by: Jia-Ju Bai <baijiaju1...@gmail.com>
---
 drivers/bluetooth/btmrvl_sdio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c
index 6f99b9f3d57f..af36ed6376ad 100644
--- a/drivers/bluetooth/btmrvl_sdio.c
+++ b/drivers/bluetooth/btmrvl_sdio.c
@@ -718,7 +718,7 @@ static int btmrvl_sdio_card_to_host(struct btmrvl_private 
*priv)
        }
 
        /* Allocate buffer */
-       skb = bt_skb_alloc(num_blocks * blksz + BTSDIO_DMA_ALIGN, GFP_ATOMIC);
+       skb = bt_skb_alloc(num_blocks * blksz + BTSDIO_DMA_ALIGN, GFP_KERNEL);
        if (!skb) {
                BT_ERR("No free skb");
                ret = -ENOMEM;
-- 
2.17.0

Reply via email to