- pull r14681 from trunk:

  don't free foreign mem.

1 files changed, 21 insertions, 19 deletions

diff --git a/util-linux/mount.c b/util-linux/mount.c
index fbb4e36c4..1b6ff965b 100644
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -184,8 +184,6 @@ static void delete_block_backed_filesystems(void)
 {
         llist_free(fslist);
 }
-#else
-void delete_block_backed_filesystems(void);
 #endif
 
 #if ENABLE_FEATURE_MTAB_SUPPORT
@@ -198,9 +196,12 @@ static int fakeIt;
 
 // Perform actual mount of specific filesystem at specific location.
 
-static int mount_it_now(struct mntent *mp, int vfsflags, char *filteropts)
+static int mount_it_now(struct mntent *mp, int vfsflags)
 {
         int rc;
+        char *filteropts = 0;
+
+        parse_mount_options(mp->mnt_opts, &filteropts);
 
         if (fakeIt) { return 0; }
 
@@ -216,6 +217,8 @@ static int mount_it_now(struct mntent *mp, int vfsflags, char *filteropts)
                 vfsflags |= MS_RDONLY;
         }
 
+    free(filteropts);
+
         // Abort entirely if permission denied.
 
         if (rc && errno == EPERM)
@@ -263,11 +266,11 @@ static int mount_it_now(struct mntent *mp, int vfsflags, char *filteropts)
 static int singlemount(struct mntent *mp)
 {
         int rc = 1, vfsflags;
-        char *loopFile = 0, *filteropts = 0;
+        char *loopFile = 0;
         llist_t *fl = 0;
         struct stat st;
 
-        vfsflags = parse_mount_options(mp->mnt_opts, &filteropts);
+        vfsflags = parse_mount_options(mp->mnt_opts, 0);
 
         // Treat fstype "auto" as unspecified.
 
@@ -279,16 +282,16 @@ static int singlemount(struct mntent *mp)
                 (!mp->mnt_type || !strcmp(mp->mnt_type,"nfs")) &&
                 strchr(mp->mnt_fsname, ':') != NULL)
         {
-                if (nfsmount(mp->mnt_fsname, mp->mnt_dir, &vfsflags, &filteropts, 1)) {
+                char *options=0;
+                parse_mount_options(mp->mnt_opts, &options);
+                if (nfsmount(mp->mnt_fsname, mp->mnt_dir, &vfsflags, &options, 1)) {
                         bb_perror_msg("nfsmount failed");
                         return 1;
-                } else {
-                        // Strangely enough, nfsmount() doesn't actually mount() anything.
-                        rc = mount_it_now(mp, vfsflags, filteropts);
-                        if (ENABLE_FEATURE_CLEAN_UP) free(filteropts);
-                        
-                        return rc;
                 }
+
+                // Strangely enough, nfsmount() doesn't actually mount() anything.
+
+                else return mount_it_now(mp, vfsflags);
         }
 
         // Look at the file.  (Not found isn't a failure for remount.)
@@ -321,7 +324,7 @@ static int singlemount(struct mntent *mp)
          * to the actual mount. */
 
         if (mp->mnt_type || (vfsflags & (MS_REMOUNT | MS_BIND | MS_MOVE)))
-                rc = mount_it_now(mp, vfsflags, filteropts);
+                rc = mount_it_now(mp, vfsflags);
 
         // Loop through filesystem types until mount succeeds or we run out
 
@@ -333,26 +336,25 @@ static int singlemount(struct mntent *mp)
 
                 if (!fslist) {
                         fslist = get_block_backed_filesystems();
+#if ENABLE_FEATURE_CLEAN_UP
                         if (ENABLE_FEATURE_CLEAN_UP && fslist)
                                 atexit(delete_block_backed_filesystems);
+#endif
                 }
 
                 for (fl = fslist; fl; fl = fl->link) {
                         mp->mnt_type = fl->data;
 
-                        if (!(rc = mount_it_now(mp,vfsflags, filteropts))) break;
+                        if (!(rc = mount_it_now(mp,vfsflags))) break;
 
                         mp->mnt_type = 0;
                 }
         }
 
-        if (ENABLE_FEATURE_CLEAN_UP) free(filteropts);
-
-        // If mount failed, clean up loop file (if any).
-
+        // Mount failed.  Clean up
         if (rc && loopFile) {
                 del_loop(mp->mnt_fsname);
-                if (ENABLE_FEATURE_CLEAN_UP) {
+                if(ENABLE_FEATURE_CLEAN_UP) {
                         free(loopFile);
                         free(mp->mnt_fsname);
                 }