Assemble: free resources in load_devices

[thirdparty/mdadm.git] / super-intel.c

diff --git a/super-intel.c b/super-intel.c
index 520d29217f409dbb495ed42b69f76439e8128d1a..d3d256a4f36b0ba6199be7e70454ed1ce2574e10 100644 (file)
--- a/super-intel.c
+++ b/super-intel.c
@@ -5285,10 +5285,22 @@ static int check_name(struct intel_super *super, char *name, int quiet)
 {
        struct imsm_super *mpb = super->anchor;
        char *reason = NULL;
+       char *start = name;
+       size_t len = strlen(name);
        int i;
 
-       if (strlen(name) > MAX_RAID_SERIAL_LEN)
+       if (len > 0) {
+               while (isspace(start[len - 1]))
+                       start[--len] = 0;
+               while (*start && isspace(*start))
+                       ++start, --len;
+               memmove(name, start, len + 1);
+       }
+
+       if (len > MAX_RAID_SERIAL_LEN)
                reason = "must be 16 characters or less";
+       else if (len == 0)
+               reason = "must be a non-empty string";
 
        for (i = 0; i < mpb->num_raid_devs; i++) {
                struct imsm_dev *dev = get_imsm_dev(super, i);
@@ -5616,6 +5628,11 @@ static int add_to_super_imsm_volume(struct supertype *st, mdu_disk_info_t *dk,
                return 1;
        }
 
+       if (mpb->num_disks == 0)
+               if (!get_dev_sector_size(dl->fd, dl->devname,
+                                        &super->sector_size))
+                       return 1;
+
        if (!drive_validate_sector_size(super, dl)) {
                pr_err("Combining drives of different sector size in one volume is not allowed\n");
                return 1;
@@ -7587,11 +7604,12 @@ static int update_subarray_imsm(struct supertype *st, char *subarray,
                        append_metadata_update(st, u, sizeof(*u));
                } else {
                        struct imsm_dev *dev;
-                       int i;
+                       int i, namelen;
 
                        dev = get_imsm_dev(super, vol);
-                       strncpy((char *) dev->volume, name, MAX_RAID_SERIAL_LEN);
-                       dev->volume[MAX_RAID_SERIAL_LEN-1] = '\0';
+                       memset(dev->volume, '\0', MAX_RAID_SERIAL_LEN);
+                       namelen = min((int)strlen(name), MAX_RAID_SERIAL_LEN);
+                       memcpy(dev->volume, name, namelen);
                        for (i = 0; i < mpb->num_raid_devs; i++) {
                                dev = get_imsm_dev(super, i);
                                handle_missing(super, dev);
@@ -9537,12 +9555,6 @@ static int apply_takeover_update(struct imsm_update_takeover *u,
        if (u->direction == R10_TO_R0) {
                unsigned long long num_data_stripes;
 
-               map->num_domains = 1;
-               num_data_stripes = imsm_dev_size(dev) / 2;
-               num_data_stripes /= map->blocks_per_strip;
-               num_data_stripes /= map->num_domains;
-               set_num_data_stripes(map, num_data_stripes);
-
                /* Number of failed disks must be half of initial disk number */
                if (imsm_count_failed(super, dev, MAP_0) !=
                                (map->num_members / 2))
@@ -9568,10 +9580,15 @@ static int apply_takeover_update(struct imsm_update_takeover *u,
                map->num_domains = 1;
                map->raid_level = 0;
                map->failed_disk_num = -1;
+               num_data_stripes = imsm_dev_size(dev) / 2;
+               num_data_stripes /= map->blocks_per_strip;
+               set_num_data_stripes(map, num_data_stripes);
        }
 
        if (u->direction == R0_TO_R10) {
                void **space;
+               unsigned long long num_data_stripes;
+
                /* update slots in current disk list */
                for (dm = super->disks; dm; dm = dm->next) {
                        if (dm->index >= 0)
@@ -9609,6 +9626,11 @@ static int apply_takeover_update(struct imsm_update_takeover *u,
                map->map_state = IMSM_T_STATE_DEGRADED;
                map->num_domains = 2;
                map->raid_level = 1;
+               num_data_stripes = imsm_dev_size(dev) / 2;
+               num_data_stripes /= map->blocks_per_strip;
+               num_data_stripes /= map->num_domains;
+               set_num_data_stripes(map, num_data_stripes);
+
                /* replace dev<->dev_new */
                dv->dev = dev_new;
        }
@@ -11601,9 +11623,6 @@ static int imsm_reshape_super(struct supertype *st, unsigned long long size,
        dprintf("for level      : %i\n", geo.level);
        dprintf("for raid_disks : %i\n", geo.raid_disks);
 
-       if (experimental() == 0)
-               return ret_val;
-
        if (strcmp(st->container_devnm, st->devnm) == 0) {
                /* On container level we can only increase number of devices. */
                dprintf("imsm: info: Container operation\n");