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SubjectRe: [PATCH v2] media: sq905.c: fix uninitialized variable
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Hi Alaa,

FYI: this patch has already been applied to the media_tree master git repo:

https://patchwork.linuxtv.org/project/linux-media/patch/2c46832a-99a8-73bf-ec85-085052f8b4db@xs4all.nl/

That's good enough for this issue so I am marking this patch as Obsolete in
our patchwork.

On 26/03/2021 22:02, Alaa Emad wrote:
> Reported-by: syzbot+a4e309017a5f3a24c7b3@syzkaller.appspotmail.com
> Signed-off-by: Alaa Emad <alaaemadhossney.ae@gmail.com>
>
> ---
> Changes in v2:
> - Fix the error occured because of pervious fix.
> ---
> drivers/media/usb/gspca/sq905.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/media/usb/gspca/sq905.c b/drivers/media/usb/gspca/sq905.c
> index 97799cfb832e..57206dd2e1a0 100644
> --- a/drivers/media/usb/gspca/sq905.c
> +++ b/drivers/media/usb/gspca/sq905.c
> @@ -157,8 +157,8 @@ static int sq905_ack_frame(struct gspca_dev *gspca_dev)
> static int
> sq905_read_data(struct gspca_dev *gspca_dev, u8 *data, int size, int need_lock)
> {
> - int ret;
> - int act_len;
> + int ret;
> + int act_len;
>
> gspca_dev->usb_buf[0] = '\0';
> if (need_lock)
> @@ -180,8 +180,8 @@ sq905_read_data(struct gspca_dev *gspca_dev, u8 *data, int size, int need_lock)
> data, size, &act_len, SQ905_DATA_TIMEOUT);
>
> /* successful, it returns 0, otherwise negative */
> - if (ret < 0 || act_len != size) {
> - pr_err("bulk read fail (%d) len %d/%d\n", ret, act_len, size);
> + if (ret < 0 || act_len != size) {
> + pr_err("bulk read fail (%d) len %d/%d\n", ret, ret < 0 ? -1 : act_len, size);

General note: it looks like you are replacing tab characters with spaces.
Make sure you configure your editor not to do that.

Regards,

Hans

> return -EIO;
> }
> return 0;
>

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