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ASoC: cs-amp-lib: Fix NULL pointer crash if efi.get_variable is NULL
authorRichard Fitzgerald <rf@opensource.cirrus.com>
Mon, 5 Aug 2024 11:42:22 +0000 (12:42 +0100)
committerMark Brown <broonie@kernel.org>
Mon, 5 Aug 2024 12:54:09 +0000 (13:54 +0100)
commitdc268085e499666b9f4f0fcb4c5a94e1c0b193b3
treea78083739c78f84f29ba5edf50c846ee61a9fb24tree | snapshot
parent93afd028fb5f06a46a32375fd1f0473451eb1c5acommit | diff
ASoC: cs-amp-lib: Fix NULL pointer crash if efi.get_variable is NULL

Call efi_rt_services_supported() to check that efi.get_variable exists
before calling it.

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Fixes: 1cad8725f2b9 ("ASoC: cs-amp-lib: Add helpers for factory calibration data")
Link: https://patch.msgid.link/20240805114222.15722-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/codecs/cs-amp-lib.c diff | blob | blame | history
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