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-rw-r--r--disk-utils/raw.c58
1 files changed, 32 insertions, 26 deletions
diff --git a/disk-utils/raw.c b/disk-utils/raw.c
index bc64b349e..f634b6027 100644
--- a/disk-utils/raw.c
+++ b/disk-utils/raw.c
@@ -40,11 +40,11 @@ int master_fd;
int raw_minor;
void open_raw_ctl(void);
-int query(int minor, int quiet);
+int query(int minor, const char *raw_name, int quiet);
int bind (int minor, int block_major, int block_minor);
-static void usage(int err)
+static void usage(int err)
{
fprintf(stderr,
_("Usage:\n"
@@ -99,7 +99,7 @@ int main(int argc, char *argv[])
if (optind < argc)
usage(1);
for (i = 1; i < RAW_NR_MINORS; i++)
- query(i, 1);
+ query(i, NULL, 1);
exit(0);
}
@@ -117,7 +117,10 @@ int main(int argc, char *argv[])
* causes udev to *remove* /dev/rawctl
*/
rc = sscanf(raw_name, RAWDEVDIR "raw%d", &raw_minor);
- if (rc == 1 && raw_minor == 0) {
+ if (rc != 1)
+ usage(1);
+
+ if (raw_minor == 0) {
fprintf (stderr,
_("Device '%s' is control raw dev "
"(use raw<N> where <N> is greater than zero)\n"),
@@ -125,28 +128,8 @@ int main(int argc, char *argv[])
exit(2);
}
- err = stat(raw_name, &statbuf);
- if (err) {
- fprintf (stderr, _("Cannot locate raw device '%s' (%s)\n"),
- raw_name, strerror(errno));
- exit(2);
- }
-
- if (!S_ISCHR(statbuf.st_mode)) {
- fprintf (stderr, _("Raw device '%s' is not a character dev\n"),
- raw_name);
- exit(2);
- }
- if (major(statbuf.st_rdev) != RAW_MAJOR) {
- fprintf (stderr, _("Device '%s' is not a raw dev\n"),
- raw_name);
- exit(2);
- }
-
- raw_minor = minor(statbuf.st_rdev);
-
if (do_query)
- return query(raw_minor, 0);
+ return query(raw_minor, raw_name, 0);
/*
* It's not a query, so we still have some parsing to do. Have
@@ -208,12 +191,35 @@ void open_raw_ctl(void)
}
}
-int query(int minor, int quiet)
+int query(int minor, const char *raw_name, int quiet)
{
struct raw_config_request rq;
static int has_worked = 0;
int err;
+ if (raw_name) {
+ struct stat statbuf;
+
+ err = stat(raw_name, &statbuf);
+ if (err) {
+ fprintf (stderr, _("Cannot locate raw device '%s' (%s)\n"),
+ raw_name, strerror(errno));
+ exit(2);
+ }
+
+ if (!S_ISCHR(statbuf.st_mode)) {
+ fprintf (stderr, _("Raw device '%s' is not a character dev\n"),
+ raw_name);
+ exit(2);
+ }
+ if (major(statbuf.st_rdev) != RAW_MAJOR) {
+ fprintf (stderr, _("Device '%s' is not a raw dev\n"),
+ raw_name);
+ exit(2);
+ }
+ minor = minor(statbuf.st_rdev);
+ }
+
rq.raw_minor = minor;
err = ioctl(master_fd, RAW_GETBIND, &rq);
if (err < 0) {