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| author | Rohit kumar <rohitkr@codeaurora.org> | 2018-11-01 18:08:49 +0530 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-12-13 17:54:07 +0000 |
| commit | de17f14ea576d8a0f2932404467fa916542da94d (patch) | |
| tree | 3dd825e2a23b9bec25d44ff3e4a754bfaf6eff59 /tools/perf/scripts/python/intel-pt-events.py | |
| parent | 3500f1c589e92e0b6b1f8d31b4084fbde08d49cb (diff) | |
ASoC: core: Invoke pcm_new() for all DAI-link
Remove no_pcm check to invoke pcm_new() for backend dai-links
too. This fixes crash in hdmi codec driver during hdmi_codec_startup()
while accessing chmap_info struct. chmap_info struct memory is
allocated in pcm_new() of hdmi codec driver which is not invoked
in case of DPCM when hdmi codec driver is part of backend dai-link.
Below is the crash stack:
[ 61.635493] Unable to handle kernel NULL pointer dereference at virtual address 00000018
..
[ 61.666696] CM = 0, WnR = 1
[ 61.669778] user pgtable: 4k pages, 39-bit VAs, pgd = ffffffc0d6633000
[ 61.676526] [0000000000000018] *pgd=0000000153fc8003, *pud=0000000153fc8003, *pmd=0000000000000000
[ 61.685793] Internal error: Oops: 96000046 [#1] PREEMPT SMP
[ 61.722955] CPU: 7 PID: 2238 Comm: aplay Not tainted 4.14.72 #21
..
[ 61.740269] PC is at hdmi_codec_startup+0x124/0x164
[ 61.745308] LR is at hdmi_codec_startup+0xe4/0x164
Signed-off-by: Rohit kumar <rohitkr@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/intel-pt-events.py')
0 files changed, 0 insertions, 0 deletions