Fix seg fault in btape fixes bug #2180

diff --git a/bacula/src/stored/block_util.c b/bacula/src/stored/block_util.c
index 38b9958846ec3e6f7a85e17d032576318d2bfc6a..11f3cf27ec00389fc8c17c15382630f8d6b7becb 100644 (file)
--- a/bacula/src/stored/block_util.c
+++ b/bacula/src/stored/block_util.c
@@ -186,7 +186,7 @@ void DCR::free_blocks()
  */
 void free_block(DEV_BLOCK *block)
 {
-   if (block) {
+   if (block && block->buf) {
       Dmsg1(999, "free_block buffer %x\n", block->buf);
       free_memory(block->buf);
       Dmsg1(999, "free_block block %x\n", block);