make a gross exception for /dev/null. don't try to lock the directory. avoid plugging log files. Reference: /n/atom/patch/applied/filternolocknull Date: Wed Mar 5 05:24:13 CET 2014 Signed-off-by: quanstro@quanstro.net --- /sys/src/cmd/upas/send/cat_mail.c Wed Mar 5 05:23:45 2014 +++ /sys/src/cmd/upas/send/cat_mail.c Wed Mar 5 05:23:45 2014 @@ -94,6 +94,11 @@ s_free(ss); return 0; } + /* avoid lock errors */ + if(strcmp(s, "/dev/null") == 0){ + s_free(ss); + return(0); + } if(d = dirstat(s)){ isdir = d->mode&DMDIR; free(d);