Blob Blame History Raw
--- 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",