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 <shh...@gmail.com> --- 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; + struct btrfs_trans_handle *h = malloc(sizeof(*h)); + if (!h) { + BUG(); + return NULL; + } BUG_ON(root->commit_root); BUG_ON(fs_info->running_transaction); -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html