On 08/16/12 16:03, Arne Jansen wrote:

On 16.08.2012 09:57, Wang Sheng-Hui wrote:

quoted

For malloc may fail, we should check it before assign
values to the fields of struct btrfs_trans_handle *h.

Signed-off-by: Wang Sheng-Hui <redacted>
---
 transaction.h |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/transaction.h b/transaction.h
index a1070e0..d4e42a1 100644
--- a/transaction.h
+++ b/transaction.h

@@ -32,7 +32,12 @@ static inline struct btrfs_trans_handle *
 btrfs_start_transaction(struct btrfs_root *root, int num_blocks)
 {
 	struct btrfs_fs_info *fs_info = root->fs_info;
+

Why move down a blank line?

quoted

 	struct btrfs_trans_handle *h = malloc(sizeof(*h));

Skip a line here would looks a bit neat.

quoted

+	if (!h) {
+		BUG();
+		return NULL;
+	}

a more simple way would be to write
BUG_ON(!h);

quoted

 
 	BUG_ON(root->commit_root);
 	BUG_ON(fs_info->running_transaction);

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