[PW_SID:1154686] [v1] Bluetooth: btusb: Fix UAF of btusb_data by rx_work - #675

Kernel: 
drivers/bluetooth/btusb.c: In function ‘btusb_recv_h4’:
drivers/bluetooth/btusb.c:1385:17: error: implicit declaration of function ‘h4_recv_skb’; did you mean ‘h4_recv_buf’? [-Werror=implicit-function-declaration]
 1385 |  data->rx_skb = h4_recv_skb(data->hdev, NULL, NULL, data->rx_skb, buffer,
      |                 ^~~~~~~~~~~
      |                 h4_recv_buf
drivers/bluetooth/btusb.c:1385:15: warning: assignment to ‘struct sk_buff *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
 1385 |  data->rx_skb = h4_recv_skb(data->hdev, NULL, NULL, data->rx_skb, buffer,
      |               ^
cc1: some warnings being treated as errors
make[4]: *** [scripts/Makefile.build:289: drivers/bluetooth/btusb.o] Error 1
make[4]: *** Waiting for unfinished jobs....
make[3]: *** [scripts/Makefile.build:549: drivers/bluetooth] Error 2
make[2]: *** [scripts/Makefile.build:549: drivers] Error 2
make[1]: *** [/github/workspace/src/src/Makefile:2187: .] Error 2
make: *** [Makefile:248: __sub-make] Error 2