Fix a bunch of small system/core bugs.

Missing frees in:
  adb/file_sync_client.c
  fastboot/fastboot.c
  libsparse/output_file.c

Missing closedirs in:
  adb/file_sync_service.c
  cpio/mkbootfs.c
  libcutils/dir_hash.c

Potential buffer overrun in:
  gpttool/gpttool.c

Incorrect NULL check in:
  libsparse/backed_block.c

Bug: https://code.google.com/p/android/issues/detail?id=61564
Change-Id: If97838a9e73a77aef7f416c31c237ce1fca4ce21

2 files changed, 3 insertions, 1 deletions

diff --git a/libsparse/backed_block.c b/libsparse/backed_block.c
index dfb217b..3e72b57 100644
--- a/libsparse/backed_block.c
+++ b/libsparse/backed_block.c
@@ -370,7 +370,7 @@ int backed_block_split(struct backed_block_list *bbl, struct backed_block *bb,
 	}
 
 	new_bb = malloc(sizeof(struct backed_block));
-	if (bb == NULL) {
+	if (new_bb == NULL) {
 		return -ENOMEM;
 	}
 
diff --git a/libsparse/output_file.c b/libsparse/output_file.c
index 2428022..a28b0a5 100644
--- a/libsparse/output_file.c
+++ b/libsparse/output_file.c
@@ -722,10 +722,12 @@ int write_fd_chunk(struct output_file *out, unsigned int len,
 	}
 	pos = lseek64(fd, offset, SEEK_SET);
 	if (pos < 0) {
+                free(data);
 		return -errno;
 	}
 	ret = read_all(fd, data, len);
 	if (ret < 0) {
+                free(data);
 		return ret;
 	}
 	ptr = data;