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authorKay Sievers <kay.sievers@suse.de>2006-01-18 04:24:48 +0100
committerKay Sievers <kay.sievers@suse.de>2006-01-18 04:24:48 +0100
commit6ecd4d1e364ea8104c83e36b82d1c23835fb104b (patch)
tree7a049a24be855fad92d9dfbbde89fc7fadaf0a93 /extras/scsi_id/scsi_id.c
parent7155bfb7fa7d72bc4e7341ad1481ffd4c6e39f97 (diff)
scsi_id, usb_id: request device parent by subsystem
Request specific parents identified by subsystem and don't rely on a predefined sequence. Also let the devpath be longer than 72 chars, tsss ... Signed-off-by: Kay Sievers <kay.sievers@suse.de>
Diffstat (limited to 'extras/scsi_id/scsi_id.c')
-rw-r--r--extras/scsi_id/scsi_id.c28
1 files changed, 12 insertions, 16 deletions
diff --git a/extras/scsi_id/scsi_id.c b/extras/scsi_id/scsi_id.c
index 3a4a374d3e..6458f2b7ac 100644
--- a/extras/scsi_id/scsi_id.c
+++ b/extras/scsi_id/scsi_id.c
@@ -48,7 +48,7 @@ static int all_good;
static int always_info;
static int dev_specified;
static int sys_specified;
-static char config_file[MAX_NAME_LEN] = SCSI_ID_CONFIG_FILE;
+static char config_file[MAX_PATH_LEN] = SCSI_ID_CONFIG_FILE;
static int display_bus_id;
static enum page_code default_page_code;
static int use_stderr;
@@ -174,7 +174,7 @@ static int create_tmp_dev(const char *devpath, char *tmpdev, int dev_type)
return -1;
}
- snprintf(tmpdev, MAX_NAME_LEN, "%s/%s-maj%d-min%d-%u",
+ snprintf(tmpdev, MAX_PATH_LEN, "%s/%s-maj%d-min%d-%u",
TMP_DIR, TMP_PREFIX, maj, min, getpid());
dbg("tmpdev '%s'", tmpdev);
@@ -433,7 +433,8 @@ static int set_options(int argc, char **argv, const char *short_opts,
case 'd':
dev_specified = 1;
- strncpy(maj_min_dev, optarg, MAX_NAME_LEN);
+ strncpy(maj_min_dev, optarg, MAX_PATH_LEN);
+ maj_min_dev[MAX_PATH_LEN-1] = '\0';
break;
case 'e':
@@ -441,7 +442,8 @@ static int set_options(int argc, char **argv, const char *short_opts,
break;
case 'f':
- strncpy(config_file, optarg, MAX_NAME_LEN);
+ strncpy(config_file, optarg, MAX_PATH_LEN);
+ config_file[MAX_PATH_LEN-1] = '\0';
break;
case 'g':
@@ -467,8 +469,8 @@ static int set_options(int argc, char **argv, const char *short_opts,
case 's':
sys_specified = 1;
- strncpy(target, optarg, MAX_NAME_LEN);
- target[MAX_NAME_LEN-1] = '\0';
+ strncpy(target, optarg, MAX_PATH_LEN);
+ target[MAX_PATH_LEN-1] = '\0';
break;
case 'u':
@@ -640,18 +642,12 @@ static int scsi_id(const char *devpath, char *maj_min_dev)
dev_type = S_IFCHR;
/* get scsi parent device */
- dev_scsi = sysfs_device_get_parent(dev);
+ dev_scsi = sysfs_device_get_parent_with_subsystem(dev, "scsi");
if (dev_scsi == NULL) {
err("unable to access parent device of '%s'", devpath);
return 1;
}
- /* allow only scsi devices */
- if (strcmp(dev_scsi->subsystem, "scsi") != 0) {
- info("%s is not a scsi device", devpath);
- return 1;
- }
-
/* mknod a temp dev to communicate with the device */
if (!dev_specified && create_tmp_dev(dev->devpath, maj_min_dev, dev_type)) {
dbg("create_tmp_dev failed\n");
@@ -707,8 +703,8 @@ static int scsi_id(const char *devpath, char *maj_min_dev)
int main(int argc, char **argv)
{
int retval = 0;
- char devpath[MAX_NAME_LEN];
- char maj_min_dev[MAX_NAME_LEN];
+ char devpath[MAX_PATH_LEN];
+ char maj_min_dev[MAX_PATH_LEN];
int newargc;
const char *env;
char **newargv;
@@ -729,7 +725,7 @@ int main(int argc, char **argv)
if (env) {
hotplug_mode = 1;
sys_specified = 1;
- strncpy(devpath, env, MAX_NAME_LEN);
+ strncpy(devpath, env, MAX_PATH_LEN);
devpath[sizeof(devpath)-1] = '\0';
}