btrfs_start_ioctl_transaction() returns ERR_PTR(), not NULL.
So, it is necessary to use IS_ERR() to check the return value.
Signed-off-by: Tsutomu Itoh <t-i...@jp.fujitsu.com>
---
fs/btrfs/ioctl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -urNp linux-2.6.38-rc1/fs/btrfs/ioctl.c
linux-2.6.38-rc1.new/fs/btrfs/ioctl.c
--- linux-2.6.38-rc1/fs/btrfs/ioctl.c 2011-01-19 08:14:02.000000000 +0900
+++ linux-2.6.38-rc1.new/fs/btrfs/ioctl.c 2011-01-24 09:27:12.000000000
+0900
@@ -2082,7 +2082,7 @@ static long btrfs_ioctl_trans_start(stru
ret = -ENOMEM;
trans = btrfs_start_ioctl_transaction(root, 0);
- if (!trans)
+ if (IS_ERR(trans))
goto out_drop;
file->private_data = trans;
--
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