../lib/vsprintf.c: In function ‘va_format’:
../lib/vsprintf.c:1704:9: warning: function ‘va_format’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
 1704 |         buf += vsnprintf(buf, end > buf ? end - buf : 0, va_fmt->fmt, va);
      |         ^~~
../drivers/block/drbd/drbd_bitmap.c:1220: warning: Function parameter or struct member 'peer_device' not described in 'drbd_bm_read'
../drivers/block/drbd/drbd_bitmap.c:1232: warning: Function parameter or struct member 'peer_device' not described in 'drbd_bm_write'
../drivers/block/drbd/drbd_bitmap.c:1244: warning: Function parameter or struct member 'peer_device' not described in 'drbd_bm_write_all'
../drivers/block/drbd/drbd_bitmap.c:1271: warning: Function parameter or struct member 'peer_device' not described in 'drbd_bm_write_copy_pages'
../drivers/net/ethernet/sfc/ptp.c:205: warning: Excess struct member 'valid' description in 'efx_ptp_timeset'
../drivers/net/usb/lan78xx.c: In function ‘lan7801_phy_init’:
../drivers/net/usb/lan78xx.c:2514:13: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
 2514 |         int ret;
      |             ^~~
../net/ipv4/tcp_lp.c:122: warning: Function parameter or struct member 'ack' not described in 'tcp_lp_cong_avoid'
../net/ipv4/tcp_lp.c:122: warning: Function parameter or struct member 'acked' not described in 'tcp_lp_cong_avoid'
../net/ipv4/tcp_lp.c:272: warning: Function parameter or struct member 'sample' not described in 'tcp_lp_pkts_acked'
../drivers/net/ethernet/sfc/siena/ptp.c:208: warning: Excess struct member 'valid' description in 'efx_ptp_timeset'