Hi all, After merging the cifs tree, today's linux-next build (powerpc ppc64_defconfig) produced these warnings: fs/cifs/sess.c: In function 'cifs_select_sectype': fs/cifs/sess.c:527:3: warning: this statement may fall through [-Wimplicit-fallthrough=] switch (requested) { ^~~~~~ fs/cifs/sess.c:540:2: note: here case CIFS_NEGFLAVOR_LANMAN: ^~~~ fs/cifs/connect.c: In function 'cifs_parse_mount_options': fs/cifs/connect.c:1825:8: warning: this statement may fall through [-Wimplicit-fallthrough=] if (!(tmp_end < end && tmp_end[1] == delim)) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/cifs/connect.c:1832:3: note: here case Opt_pass: ^~~~ Exposed by my use of -Wimplicit-fallthrough I am not sure why these only turned up now (as opposed to earlier today). -- Cheers, Stephen Rothwell