diff mbox series

net: wireless: ath6kl: Replace GFP_ATOMIC with GFP_KERNEL in ath6kl_bmi_init()

Message ID 20180727084318.3345-1-baijiaju1990@gmail.com (mailing list archive)
State Accepted
Commit bfc55fe65987743e534808a18217ccd5783e00bb
Delegated to: Kalle Valo
Headers show
Series net: wireless: ath6kl: Replace GFP_ATOMIC with GFP_KERNEL in ath6kl_bmi_init() | expand

Commit Message

Jia-Ju Bai July 27, 2018, 8:43 a.m. UTC
ath6kl_bmi_init() 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/net/wireless/ath/ath6kl/bmi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Kalle Valo July 31, 2018, 7:50 a.m. UTC | #1
Jia-Ju Bai <baijiaju1990@gmail.com> wrote:

> ath6kl_bmi_init() 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>
> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

Patch applied to ath-next branch of ath.git, thanks.

bfc55fe65987 ath6kl: replace GFP_ATOMIC with GFP_KERNEL in ath6kl_bmi_init()
diff mbox series

Patch

diff --git a/drivers/net/wireless/ath/ath6kl/bmi.c b/drivers/net/wireless/ath/ath6kl/bmi.c
index 334dbd834b3a..bde5a10d470c 100644
--- a/drivers/net/wireless/ath/ath6kl/bmi.c
+++ b/drivers/net/wireless/ath/ath6kl/bmi.c
@@ -534,7 +534,7 @@  int ath6kl_bmi_init(struct ath6kl *ar)
 	/* cmd + addr + len + data_size */
 	ar->bmi.max_cmd_size = ar->bmi.max_data_size + (sizeof(u32) * 3);
 
-	ar->bmi.cmd_buf = kzalloc(ar->bmi.max_cmd_size, GFP_ATOMIC);
+	ar->bmi.cmd_buf = kzalloc(ar->bmi.max_cmd_size, GFP_KERNEL);
 	if (!ar->bmi.cmd_buf)
 		return -ENOMEM;