Re: [PATCH][Resend] SCSI, target, loopback: Fix memory leak intcm_loop_make_scsi_hba()

From: Dan Carpenter
Date: Mon Jun 27 2011 - 18:28:59 EST


On Mon, Jun 27, 2011 at 11:54:48PM +0200, Jesper Juhl wrote:
> --- a/drivers/target/loopback/tcm_loop.c
> +++ b/drivers/target/loopback/tcm_loop.c
> @@ -1321,7 +1321,8 @@ struct se_wwn *tcm_loop_make_scsi_hba(
>
> printk(KERN_ERR "Unable to locate prefix for emulated Target Port:"
> " %s\n", name);
> - return ERR_PTR(-EINVAL);
> + ret = -EINVAL;
> + goto out;

You've added a weird bunny hop goto here. It might be better to
change the if (ptr) check to if (!ptr) so we could fall through
here in the normal case.

>
> check_len:
> if (strlen(name) >= TL_WWN_ADDR_LEN) {

If this check fails then it calls kfree() and returns. It would be
cleaner to "goto out" here as well.

regards,
dan carpenter
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