* [PATCH -next] Bluetooth: hci_nokia: use skb_put_padto()
@ 2026-10-16 15:03 Eric Dumazet
2026-10-16 15:40 ` patchwork-bot+bluetooth
0 siblings, 1 reply; 2+ messages in thread
From: Eric Dumazet @ 2026-10-16 15:03 UTC (permalink / raw)
To: Marcel Holtmann, Luiz Augusto von Dentz
Cc: linux-bluetooth, Jakub Kicinski, Paolo Abeni, netdev,
Eric Dumazet
skb_pad() does not change skb->len, callers have to follow it
with skb_put(), which is error prone.
Use skb_put_padto() instead of the open-coded sequence in
nokia_enqueue().
Signed-off-by: Eric Dumazet <edumazet@kernel.org>
---
Part of a medium term plan to get rid of skb_pad(), source of many mistakes.
drivers/bluetooth/hci_nokia.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/bluetooth/hci_nokia.c b/drivers/bluetooth/hci_nokia.c
index be2923231e7128350156bd77ed3cd426c4b31b24..2866d4b54a537ba71a1c602d170debb3d2a697f4 100644
--- a/drivers/bluetooth/hci_nokia.c
+++ b/drivers/bluetooth/hci_nokia.c
@@ -531,12 +531,9 @@ static int nokia_enqueue(struct hci_uart *hu, struct sk_buff *skb)
memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
/* Packets must be word aligned */
- if (skb->len % 2) {
- err = skb_pad(skb, 1);
- if (err)
- return err;
- skb_put(skb, 1);
- }
+ err = skb_put_padto(skb, round_up(skb->len, 2));
+ if (err)
+ return err;
skb_queue_tail(&btdev->txq, skb);
--
2.53.0
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH -next] Bluetooth: hci_nokia: use skb_put_padto()
2026-10-16 15:03 [PATCH -next] Bluetooth: hci_nokia: use skb_put_padto() Eric Dumazet
@ 2026-10-16 15:40 ` patchwork-bot+bluetooth
0 siblings, 0 replies; 2+ messages in thread
From: patchwork-bot+bluetooth @ 2026-10-16 15:40 UTC (permalink / raw)
To: Eric Dumazet; +Cc: marcel, luiz.dentz, linux-bluetooth, kuba, pabeni, netdev
Hello:
This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@intel.com>:
On Fri, 16 Oct 2026 17:03:14 +0200 you wrote:
> skb_pad() does not change skb->len, callers have to follow it
> with skb_put(), which is error prone.
>
> Use skb_put_padto() instead of the open-coded sequence in
> nokia_enqueue().
>
> Signed-off-by: Eric Dumazet <edumazet@kernel.org>
>
> [...]
Here is the summary with links:
- [-next] Bluetooth: hci_nokia: use skb_put_padto()
https://git.kernel.org/bluetooth/bluetooth-next/c/185c11232d5f
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
^ permalink raw reply [flat|nested] 2+ messages in thread
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