2010-12-10 10:49:57

by Luben Tuikov

[permalink] [raw]
Subject: Re: [PATCH] [USB] UAS: Use kzalloc instead of kmalloc

Patch retracted for this still-born driver. Instead please use superior uasp.c which was recently submitted.

--- On Wed, 10/27/10, Luben Tuikov <[email protected]> wrote:

> From: Luben Tuikov <[email protected]>
> Subject: [PATCH] [USB] UAS: Use kzalloc instead of kmalloc
> To: "Greg KH" <[email protected]>, [email protected], [email protected], [email protected], [email protected]
> Date: Wednesday, October 27, 2010, 1:22 PM
> "Be conservative in what you send,
> liberal in what
> you accept." -- In the spirit of this adage, don't
> send Command IUs with randomly filled in data in
> the reserved fields. (Yes, this shows up on the
> wire.)
>
> Signed-off-by: Luben Tuikov <[email protected]>
> ---
> drivers/usb/storage/uas.c |? ? 6 +++---
> 1 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/usb/storage/uas.c
> b/drivers/usb/storage/uas.c
> index 2054b1e..17e1820 100644
> --- a/drivers/usb/storage/uas.c
> +++ b/drivers/usb/storage/uas.c
> @@ -294,7 +294,7 @@ static struct urb
> *uas_alloc_sense_urb(struct uas_dev_info *devinfo, gfp_t
> gfp,
> ??? if (!urb)
> ??? ??? goto out;
>
> -??? iu = kmalloc(sizeof(*iu), gfp);
> +??? iu = kzalloc(sizeof(*iu), gfp);
> ??? if (!iu)
> ??? ??? goto free;
>
> @@ -325,7 +325,7 @@ static struct urb
> *uas_alloc_cmd_urb(struct uas_dev_info *devinfo, gfp_t gfp,
> ??? if (len < 0)
> ??? ??? len = 0;
> ??? len = ALIGN(len, 4);
> -??? iu = kmalloc(sizeof(*iu) + len, gfp);
> +??? iu = kzalloc(sizeof(*iu) + len, gfp);
> ??? if (!iu)
> ??? ??? goto free;
>
> @@ -660,7 +660,7 @@ static int uas_probe(struct
> usb_interface *intf, const struct usb_device_id *id)
> ??? ??? ???
> return -ENODEV;
> ??? }
>
> -??? devinfo = kmalloc(sizeof(struct
> uas_dev_info), GFP_KERNEL);
> +??? devinfo = kzalloc(sizeof(struct
> uas_dev_info), GFP_KERNEL);
> ??? if (!devinfo)
> ??? ??? return -ENOMEM;
>
> --
> 1.7.0.1
>
>