diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-04-18 10:46:48 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-04-18 10:46:48 +0200 |
| commit | c15712c3602826e862340f34eba342d2d98fe697 (patch) | |
| tree | 69fef4d6974e07ea7f8932a2812abcbc673bfa3b /drivers/nfc/pn533 | |
| parent | 2471b673d88d8ff8640ceae8a6df2dc9b68521da (diff) | |
| parent | c37bbb1b5317a6418ed353be26a3a12feca6f9c5 (diff) | |
Merge v6.19.13linux-rolling-stable
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/nfc/pn533')
| -rw-r--r-- | drivers/nfc/pn533/uart.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/nfc/pn533/uart.c b/drivers/nfc/pn533/uart.c index 49c399a571750..3aacfc79fa72f 100644 --- a/drivers/nfc/pn533/uart.c +++ b/drivers/nfc/pn533/uart.c @@ -211,6 +211,13 @@ static size_t pn532_receive_buf(struct serdev_device *serdev, timer_delete(&dev->cmd_timeout); for (i = 0; i < count; i++) { + if (!dev->recv_skb) { + dev->recv_skb = alloc_skb(PN532_UART_SKB_BUFF_LEN, + GFP_KERNEL); + if (!dev->recv_skb) + return i; + } + if (unlikely(!skb_tailroom(dev->recv_skb))) skb_trim(dev->recv_skb, 0); @@ -219,9 +226,7 @@ static size_t pn532_receive_buf(struct serdev_device *serdev, continue; pn533_recv_frame(dev->priv, dev->recv_skb, 0); - dev->recv_skb = alloc_skb(PN532_UART_SKB_BUFF_LEN, GFP_KERNEL); - if (!dev->recv_skb) - return 0; + dev->recv_skb = NULL; } return i; |