tools/testing/selftests/arm64/tags/.gitignore: warning: ignored by one of the .gitignore files
tools/testing/selftests/arm64/tags/Makefile: warning: ignored by one of the .gitignore files
tools/testing/selftests/arm64/tags/tags_test.c: warning: ignored by one of the .gitignore files
In file included from ../drivers/net/usb/asix.h:28,
                 from ../drivers/net/usb/ax88172a.c:15:
../drivers/net/usb/ax88172a.c: In function ‘ax88172a_reset’:
../include/linux/phy.h:307:20: warning: ‘%s’ directive output may be truncated writing up to 60 bytes into a region of size 20 [-Wformat-truncation=]
  307 | #define PHY_ID_FMT "%s:%02x"
      |                    ^~~~~~~~~
../drivers/net/usb/ax88172a.c:311:38: note: in expansion of macro ‘PHY_ID_FMT’
  311 |         snprintf(priv->phy_name, 20, PHY_ID_FMT,
      |                                      ^~~~~~~~~~
../include/linux/phy.h:307:21: note: format string is defined here
  307 | #define PHY_ID_FMT "%s:%02x"
      |                     ^~
../include/linux/phy.h:307:20: note: directive argument in the range [0, 65535]
  307 | #define PHY_ID_FMT "%s:%02x"
      |                    ^~~~~~~~~
../drivers/net/usb/ax88172a.c:311:38: note: in expansion of macro ‘PHY_ID_FMT’
  311 |         snprintf(priv->phy_name, 20, PHY_ID_FMT,
      |                                      ^~~~~~~~~~
../drivers/net/usb/ax88172a.c:311:9: note: ‘snprintf’ output between 4 and 66 bytes into a destination of size 20
  311 |         snprintf(priv->phy_name, 20, PHY_ID_FMT,
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  312 |                  priv->mdio->id, priv->phy_addr);
      |                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/block/rnull_mod.o
tools/testing/selftests/arm64/tags/.gitignore: warning: ignored by one of the .gitignore files
tools/testing/selftests/arm64/tags/Makefile: warning: ignored by one of the .gitignore files
tools/testing/selftests/arm64/tags/tags_test.c: warning: ignored by one of the .gitignore files
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/block/rnull_mod.o
tools/testing/selftests/arm64/tags/.gitignore: warning: ignored by one of the .gitignore files
tools/testing/selftests/arm64/tags/Makefile: warning: ignored by one of the .gitignore files
tools/testing/selftests/arm64/tags/tags_test.c: warning: ignored by one of the .gitignore files
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/block/rnull_mod.o