Hi Hannes, If you have a spare moment, could you check this new warning? This code was added recently in bc6dd798 "multipathd: Add 'sysfs' prioritizer" Thank you. clang -Wunused -Wstrict-prototypes -O2 -g -pipe -Wformat-security -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -fPIC -DLIB_STRING=\"lib64\" -DRUN_DIR=\"run\" -Werror -I../libmpathcmd -DLIBDM_API_FLUSH -D_GNU_SOURCE -DLIBDM_API_COOKIE -DLIBUDEV_API_RECVBUF -DUSE_SYSTEMD=229 -DLIBDM_API_DEFERRED -c -o discovery.o discovery.c discovery.c:513:33: error: comparison of constant 18446744073709551615 with expression of type 'unsigned int' is always false [-Werror,-Wtautological-constant-out-of-range-compare] if (value == eptr || preferred == ULONG_MAX) { ~~~~~~~~~ ^ ~~~~~~~~~ -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel