Commit graph

7 commits

Author SHA1 Message Date
Xiaoyu Ye
7c54a1801d ipc: wcd-dsp-glink: prevent potential NULL pointer dereference
The current logic that checks pointer "rpdev" for NULL is not
correct. Fix it to prevent potential NULL pointer dereference.

Change-Id: Ieaad98396ff43b66b0dd41efbfbf9f6ae923a2bb
Signed-off-by: Xiaoyu Ye <benyxy@codeaurora.org>
2018-03-29 19:12:01 -07:00
Vidyakumar Athota
e75ea78848 ipc: wcd-dsp-glink: fix channels name property
Parse the right channel name property to get the number
of wdsp channels supported.

Change-Id: I77d367aeab759c3eaf4a42b56f8fcb1261fe6e44
Signed-off-by: Vidyakumar Athota <vathota@codeaurora.org>
2018-03-14 16:54:45 -07:00
Vidyakumar Athota
7206c72494 ipc: wcd-dsp-glink: move wdsp ipc to rpmsg
Add support for wdsp communication over rpmsg to enable
inter process communication between application processor
and codec DSP.

Change-Id: I6679e9d8b104bbd41e19bbf788a41129dc97da88
Signed-off-by: Vidyakumar Athota <vathota@codeaurora.org>
2018-02-02 16:07:24 -08:00
Laxminath Kasam
8b1366a648 Audio: DLKM support for all audio modules
Switch to DLKM for all audio kernel modules.

Change-Id: I6a96023a21f655f873531af9ace81f2b01eb0f58
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>
2017-11-02 13:42:09 +05:30
Vidyakumar Athota
87c83b72af ipc: fix out of bounds read issue
If userspace sends non-null terminated channel name then
out of bounds read is possible while printing channel name.
Fix this issue by validating channel name before use.

Change-Id: Ide270a54be14b280e87360836a0fad1302075660
Signed-off-by: Vidyakumar Athota <vathota@codeaurora.org>
2017-09-19 12:06:46 -07:00
Vidyakumar Athota
60871bde94 ipc: initialize glink link state
There is a chance that glink channel memory pointer is used
after free if WDSP_REG_PKT and WDSP_CMD_PKT are received at
the same time from different threads. Fix this issue by
initializing glink link state to GLINK_LINK_STATE_DOWN.
Also limit error logs to avoid watchdog timeout issues.

Change-Id: I07c4e6f12eb057405eb59f1c0d04b890fa964ce8
Signed-off-by: Vidyakumar Athota <vathota@codeaurora.org>
2017-09-11 14:26:19 -07:00
Laxminath Kasam
d1f3619bef audio-lnx: Propagate changes from kernel for wdsp-glink/avtimer
Pick the WDSP-Glink and avtimer drivers from 4.9 kernel
at below cutoff -

(80be7d6a313 - "msm: ADSPRPC: Fix for NULL pointer dereference")

This changes are done to migrate wdsp-glink/avtimer drivers
to this new audio kernel techpack.
Also remove the CDSP loader from techpack audio as it is
non-audio related.

Change-Id: I4f55429c5cbcd24920fdcb8eb2fe3aec02af320e
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>
2017-08-18 16:56:12 -06:00