diff options
| author | Dave Airlie <airlied@redhat.com> | 2017-11-02 05:40:41 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2017-11-02 05:40:41 +0300 |
| commit | 7a88cbd8d65d622c00bd76ba4ae1d893b292c91c (patch) | |
| tree | 826df7ac42ca13c33828d0142046186b91df686b /sound/hda/hdac_controller.c | |
| parent | 0a4334c9e5405f836c46375c6e279cfdda7da6b5 (diff) | |
| parent | 0b07194bb55ed836c2cc7c22e866b87a14681984 (diff) | |
| download | linux-7a88cbd8d65d622c00bd76ba4ae1d893b292c91c.tar.xz | |
Backmerge tag 'v4.14-rc7' into drm-next
Linux 4.14-rc7
Requested by Ben Skeggs for nouveau to avoid major conflicts,
and things were getting a bit conflicty already, esp around amdgpu
reverts.
Diffstat (limited to 'sound/hda/hdac_controller.c')
| -rw-r--r-- | sound/hda/hdac_controller.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/hda/hdac_controller.c b/sound/hda/hdac_controller.c index 978dc1801b3a..f6d2985b2520 100644 --- a/sound/hda/hdac_controller.c +++ b/sound/hda/hdac_controller.c @@ -284,6 +284,11 @@ int snd_hdac_bus_parse_capabilities(struct hdac_bus *bus) dev_dbg(bus->dev, "HDA capability ID: 0x%x\n", (cur_cap & AZX_CAP_HDR_ID_MASK) >> AZX_CAP_HDR_ID_OFF); + if (cur_cap == -1) { + dev_dbg(bus->dev, "Invalid capability reg read\n"); + break; + } + switch ((cur_cap & AZX_CAP_HDR_ID_MASK) >> AZX_CAP_HDR_ID_OFF) { case AZX_ML_CAP_ID: dev_dbg(bus->dev, "Found ML capability\n"); |