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Commit abd30bb0 authored by Tsutomu Itoh's avatar Tsutomu Itoh Committed by Chris Mason
Browse files

btrfs: check return value of btrfs_start_ioctl_transaction() properly 



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: default avatarTsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 3612b495

fs/btrfs/ioctl.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -2085,7 +2085,7 @@ static long btrfs_ioctl_trans_start(struct file *file) 




	ret = -ENOMEM;

	ret = -ENOMEM;

	trans = btrfs_start_ioctl_transaction(root, 0);

	trans = btrfs_start_ioctl_transaction(root, 0);

	if (!trans)

	if (IS_ERR(trans))

		goto out_drop;

		goto out_drop;





	file->private_data = trans;

	file->private_data = trans;