[BlueZ,v3] shared/bap: Fixing Company ID, Vendor ID and Metadata handling

This fixes Company ID, Vendor Codec ID and metadata storing
PAC record.
---
 src/shared/bap.c | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

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Dear submitter,

Thank you for submitting the patches to the linux bluetooth mailing list.
This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=711581

---Test result---

Test Summary:
CheckPatch                    PASS      0.40 seconds
GitLint                       PASS      0.27 seconds
BuildEll                      PASS      26.41 seconds
BluezMake                     PASS      757.26 seconds
MakeCheck                     PASS      11.02 seconds
MakeDistcheck                 PASS      147.39 seconds
CheckValgrind                 PASS      240.33 seconds
CheckSmatch                   PASS      321.90 seconds
bluezmakeextell               PASS      96.27 seconds
IncrementalBuild              PASS      623.21 seconds
ScanBuild                     WARNING   980.31 seconds

Details
##############################
Test: ScanBuild - WARNING
Desc: Run Scan Build
Output:
src/shared/bap.c:2268:26: warning: Access to field 'iov_len' results in a dereference of a null pointer (loaded from variable 'cont')
        return iov_append(data, cont->iov_len, cont->iov_base);
                                ^~~~~~~~~~~~~
1 warning generated.



---
Regards,
Linux Bluetooth

Hi Abhay,

On Thu, Jan 12, 2023 at 9:11 PM Abhay Maheta
<abhay.maheshbhai.maheta@intel.com> wrote:
>
> This fixes Company ID, Vendor Codec ID and metadata storing
> PAC record.
> ---
>  src/shared/bap.c | 21 ++++++++++++++-------
>  1 file changed, 14 insertions(+), 7 deletions(-)
>
> diff --git a/src/shared/bap.c b/src/shared/bap.c
> index 0cafb75e6..463cdb7a6 100644
> --- a/src/shared/bap.c
> +++ b/src/shared/bap.c
> @@ -344,8 +344,10 @@ static void pac_foreach(void *data, void *user_data)
>
>         p = util_iov_push(iov, sizeof(*p));
>         p->codec.id = pac->codec.id;
> -       p->codec.cid = pac->codec.cid;
> -       p->codec.vid = pac->codec.vid;
> +       if (p->codec.id == 0xff) {
> +               p->codec.cid = cpu_to_le16(pac->codec.cid);
> +               p->codec.vid = cpu_to_le16(pac->codec.vid);
> +       }
>
>         if (pac->data) {
>                 p->cc_len = pac->data->iov_len;
> @@ -2773,7 +2775,7 @@ static void bap_parse_pacs(struct bt_bap *bap, uint8_t type,
>                 struct bt_pac *p;
>                 struct bt_ltv *cc;
>                 struct bt_pac_metadata *meta;
> -               struct iovec data, metadata;
> +               struct iovec data, *metadata = NULL;
>
>                 p = util_iov_pull_mem(&iov, sizeof(*p));
>                 if (!p) {
> @@ -2802,8 +2804,11 @@ static void bap_parse_pacs(struct bt_bap *bap, uint8_t type,
>                 data.iov_len = p->cc_len;
>                 data.iov_base = cc;
>
> -               metadata.iov_len = meta->len;
> -               metadata.iov_base = meta->data;
> +               if (meta->len) {
> +                       metadata = new0(struct iovec, 1);
> +                       metadata->iov_len = meta->len;
> +                       metadata->iov_base = meta->data;
> +               }

I'm trying to understand why you have done an extra copy of the
metadata if later it will be copied by the likes of util_iov_dup
inside bap_pac_new?

>
>                 util_iov_pull_mem(&iov, meta->len);
>
> @@ -2813,12 +2818,14 @@ static void bap_parse_pacs(struct bt_bap *bap, uint8_t type,
>                 /* Check if there is already a PAC record for the codec */
>                 pac = bap_pac_find(bap->rdb, type, &p->codec);
>                 if (pac) {
> -                       bap_pac_merge(pac, &data, &metadata);
> +                       bap_pac_merge(pac, &data, metadata);
> +                       free(metadata);
>                         continue;
>                 }
>
>                 pac = bap_pac_new(bap->rdb, NULL, type, &p->codec, NULL, &data,
> -                                                               &metadata);
> +                                                               metadata);
> +               free(metadata);
>                 if (!pac)
>                         continue;
>
> --
> 2.25.1
>

Hello:

This patch was applied to bluetooth/bluez.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@intel.com>:

On Fri, 13 Jan 2023 10:36:05 +0530 you wrote:
> This fixes Company ID, Vendor Codec ID and metadata storing
> PAC record.
> ---
>  src/shared/bap.c | 21 ++++++++++++++-------
>  1 file changed, 14 insertions(+), 7 deletions(-)

Here is the summary with links:
  - [BlueZ,v3] shared/bap: Fixing Company ID, Vendor ID and Metadata handling
    https://git.kernel.org/pub/scm/bluetooth/bluez.git/?id=fd893fdd814e

You are awesome, thank you!