selftests: nci: replace unsigned int with int

Should not use comparison of unsigned expressions < 0.

Signed-off-by: Xiang wangx <wangxiang@cdjrlc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xiang wangx 2021-09-16 20:24:42 +08:00 committed by David S. Miller
parent a57d8c217a
commit 98dc68f8b0

View File

@ -746,7 +746,7 @@ int read_write_nci_cmd(int nfc_sock, int virtual_fd, const __u8 *cmd, __u32 cmd_
const __u8 *rsp, __u32 rsp_len)
{
char buf[256];
unsigned int len;
int len;
send(nfc_sock, &cmd[3], cmd_len - 3, 0);
len = read(virtual_fd, buf, cmd_len);