Hello,
On 04/09/2018 07:15 PM, Georg Chini wrote:
> sco_process_render does not unref the memblock when it encounters an error.
>
> This patch fixes the issue. It also changes the return value to 1 in the case
> of EAGAIN. Because the data was already rendered and cannot be re-sent, we
> have to discard the block.
> ---
> src/modules/bluetooth/module-bluez5-device.c | 12 +++++++++---
> 1 file changed, 9 insertions(+), 3 deletions(-)
>
> diff --git a/src/modules/bluetooth/module-bluez5-device.c
> b/src/modules/bluetooth/module-bluez5-device.c
> index 95d288ef..b81c233c 100644
> --- a/src/modules/bluetooth/module-bluez5-device.c
> +++ b/src/modules/bluetooth/module-bluez5-device.c
> @@ -282,9 +282,13 @@ static int sco_process_render(struct userdata *u) {
> if (errno == EINTR)
> /* Retry right away if we got interrupted */
> continue;
> - else if (errno == EAGAIN)
> - /* Hmm, apparently the socket was not writable, give up for now
> */
> - return 0;
> +
> + pa_memblock_unref(memchunk.memblock);
> +
> + if (errno == EAGAIN)
> + /* Hmm, apparently the socket was not writable, give up for now.
> + * Because the data was already rendered, let's discard the
> block. */
> + return 1;
>
1. errno value can be changed during pa_memblock_unref()
2. I think the same changes are required for a2dp_process_render() too.
> pa_log_error("Failed to write data to SCO socket: %s",
> pa_cstrerror(errno));
> return -1;
> @@ -296,6 +300,8 @@ static int sco_process_render(struct userdata *u) {
> pa_log_error("Wrote memory block to socket only partially! %llu
> written, wanted to write %llu.",
> (unsigned long long) l,
> (unsigned long long) memchunk.length);
> +
> + pa_memblock_unref(memchunk.memblock);
> return -1;
> }
>
>
--
Raman
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