diff --git a/DirectVolume.cpp b/DirectVolume.cpp
index 0ac1a0c..54da964 100644
--- a/DirectVolume.cpp
+++ b/DirectVolume.cpp
@@ -202,9 +202,13 @@
 #ifdef PARTITION_DEBUG
     SLOGD("Dv:partAdd: part_num = %d, minor = %d\n", part_num, minor);
 #endif
-    mPartMinors[part_num -1] = minor;
-
+    if (part_num > MAX_PARTITIONS) {
+        SLOGE("Dv:partAdd: ignoring part_num = %d (max: %d)\n", part_num, MAX_PARTITIONS);
+    } else {
+        mPartMinors[part_num -1] = minor;
+    }
     mPendingPartMap &= ~(1 << part_num);
+
     if (!mPendingPartMap) {
 #ifdef PARTITION_DEBUG
         SLOGD("Dv:partAdd: Got all partitions - ready to rock!");
@@ -275,6 +279,7 @@
     int major = atoi(evt->findParam("MAJOR"));
     int minor = atoi(evt->findParam("MINOR"));
     char msg[255];
+    int state;
 
     SLOGD("Volume %s %s partition %d:%d removed\n", getLabel(), getMountpoint(), major, minor);
 
@@ -284,7 +289,8 @@
      * the removal notification will be sent on the Disk
      * itself
      */
-    if (getState() != Volume::State_Mounted) {
+    state = getState();
+    if (state != Volume::State_Mounted && state != Volume::State_Shared) {
         return;
     }
         
@@ -309,6 +315,19 @@
         } else {
             SLOGD("Crisis averted");
         }
+    } else if (state == Volume::State_Shared) {
+        /* removed during mass storage */
+        snprintf(msg, sizeof(msg), "Volume %s bad removal (%d:%d)",
+                 getLabel(), major, minor);
+        mVm->getBroadcaster()->sendBroadcast(ResponseCode::VolumeBadRemoval,
+                                             msg, false);
+
+        if (mVm->unshareVolume(getLabel(), "ums")) {
+            SLOGE("Failed to unshare volume on bad removal (%s)",
+                strerror(errno));
+        } else {
+            SLOGD("Crisis averted");
+        }
     }
 }
 
diff --git a/Volume.cpp b/Volume.cpp
index d2b87b6..ecf7dcd 100644
--- a/Volume.cpp
+++ b/Volume.cpp
@@ -218,6 +218,7 @@
 
     setState(Volume::State_Formatting);
 
+    int ret = -1;
     // Only initialize the MBR if we are formatting the entire device
     if (formatEntireDevice) {
         sprintf(devicePath, "/dev/block/vold/%d:%d",
@@ -241,10 +242,11 @@
         goto err;
     }
 
-    setState(Volume::State_Idle);
-    return 0;
+    ret = 0;
+
 err:
-    return -1;
+    setState(Volume::State_Idle);
+    return ret;
 }
 
 bool Volume::isMountpointMounted(const char *path) {
diff --git a/main.cpp b/main.cpp
index f97632b..9c45774 100644
--- a/main.cpp
+++ b/main.cpp
@@ -151,7 +151,8 @@
     }
 
     while(fgets(line, sizeof(line), fp)) {
-        char *next = line;
+        const char *delim = " \t";
+        char *save_ptr;
         char *type, *label, *mount_point;
 
         n++;
@@ -160,24 +161,24 @@
         if (line[0] == '#' || line[0] == '\0')
             continue;
 
-        if (!(type = strsep(&next, " \t"))) {
+        if (!(type = strtok_r(line, delim, &save_ptr))) {
             SLOGE("Error parsing type");
             goto out_syntax;
         }
-        if (!(label = strsep(&next, " \t"))) {
+        if (!(label = strtok_r(NULL, delim, &save_ptr))) {
             SLOGE("Error parsing label");
             goto out_syntax;
         }
-        if (!(mount_point = strsep(&next, " \t"))) {
+        if (!(mount_point = strtok_r(NULL, delim, &save_ptr))) {
             SLOGE("Error parsing mount point");
             goto out_syntax;
         }
 
         if (!strcmp(type, "dev_mount")) {
             DirectVolume *dv = NULL;
-            char *part, *sysfs_path;
+            char *part;
 
-            if (!(part = strsep(&next, " \t"))) {
+            if (!(part = strtok_r(NULL, delim, &save_ptr))) {
                 SLOGE("Error parsing partition");
                 goto out_syntax;
             }
@@ -192,7 +193,7 @@
                 dv = new DirectVolume(vm, label, mount_point, atoi(part));
             }
 
-            while((sysfs_path = strsep(&next, " \t"))) {
+            while (char *sysfs_path = strtok_r(NULL, delim, &save_ptr)) {
                 if (dv->addPath(sysfs_path)) {
                     SLOGE("Failed to add devpath %s to volume %s", sysfs_path,
                          label);