Thus wrote Michael Straube (straube.linux@xxxxxxxxx): > The macro ROUND is not used in the driver, remove it. > Found with GCC -Wunused-macros. > Signed-off-by: Michael Straube <straube.linux@xxxxxxxxx> > --- > drivers/staging/r8188eu/core/rtw_security.c | 13 ------------- > 1 file changed, 13 deletions(-) > diff --git a/drivers/staging/r8188eu/core/rtw_security.c b/drivers/staging/r8188eu/core/rtw_security.c > index 82987255400a..db35f326bbb1 100644 > --- a/drivers/staging/r8188eu/core/rtw_security.c > +++ b/drivers/staging/r8188eu/core/rtw_security.c > @@ -1555,16 +1555,3 @@ const u8 rcons[] = { > 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1B, 0x36 > /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */ > }; > - > -/** > - * Expand the cipher key into the encryption key schedule. > - * > - * @return the number of rounds for the given cipher key size. > - */ > -#define ROUND(i, d, s) \ > -do { \ > - d##0 = TE0(s##0) ^ TE1(s##1) ^ TE2(s##2) ^ TE3(s##3) ^ rk[4 * i]; \ > - d##1 = TE0(s##1) ^ TE1(s##2) ^ TE2(s##3) ^ TE3(s##0) ^ rk[4 * i + 1]; \ > - d##2 = TE0(s##2) ^ TE1(s##3) ^ TE2(s##0) ^ TE3(s##1) ^ rk[4 * i + 2]; \ > - d##3 = TE0(s##3) ^ TE1(s##0) ^ TE2(s##1) ^ TE3(s##2) ^ rk[4 * i + 3]; \ > -} while (0); > -- > 2.33.0 I noticed this as well when a W=1 build brought up a warning about the /** comment. Acked-by: Martin Kaiser <martin@xxxxxxxxx>