--- util-linux-2.12a/disk-utils/raw.c.=K0000=.orig +++ util-linux-2.12a/disk-utils/raw.c @@ -31,6 +31,7 @@ #endif #define DEVFS_RAWCTLDEV "/dev/raw/rawctl" +#define RAW_NR_MINORS 8192 char * progname; int do_query = 0; @@ -94,7 +95,7 @@ int main(int argc, char *argv[]) if (do_query_all) { if (optind < argc) usage(1); - for (i=1; i<255; i++) + for (i = 1; i < RAW_NR_MINORS; i++) query(i, 1); exit(0); } @@ -109,9 +110,16 @@ int main(int argc, char *argv[]) err = stat(raw_name, &statbuf); if (err) { - fprintf (stderr, "Cannot locate raw device '%s' (%s)\n", - raw_name, strerror(errno)); - exit(2); + int rc; + + rc = sscanf(raw_name, RAWDEVDIR "raw%d", &raw_minor); + if (rc != 1) { + fprintf (stderr, + "Cannot locate raw device '%s' (%s)\n", + raw_name, strerror(errno)); + exit(2); + } + goto skip_test_rawdev; } if (!S_ISCHR(statbuf.st_mode)) { @@ -127,6 +135,7 @@ int main(int argc, char *argv[]) raw_minor = minor(statbuf.st_rdev); +skip_test_rawdev: if (do_query) return query(raw_minor, 0); @@ -193,6 +202,7 @@ void open_raw_ctl(void) int query(int minor, int quiet) { struct raw_config_request rq; + static int has_worked = 0; int err; rq.raw_minor = minor; @@ -200,11 +210,17 @@ int query(int minor, int quiet) if (err < 0) { if (quiet && errno == ENODEV) return 3; + if (has_worked && errno == EINVAL) + return 0; fprintf (stderr, "Error querying raw device (%s)\n", strerror(errno)); exit(3); } + /* If one query has worked, mark that fact so that we don't + * report spurious fatal errors if raw(8) has been built to + * support more raw minor numbers than the kernel has. */ + has_worked = 1; if (quiet && !rq.block_major && !rq.block_minor) return 0; printf (RAWDEVDIR "raw%d: bound to major %d, minor %d\n",