The machine_quirk may return NULL which means the acpi entries should be skipped and search for next matched entry is needed, here add return check here and continue for NULL case.
Signed-off-by: Keyon Jie yang.jie@linux.intel.com --- sound/soc/soc-acpi.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/sound/soc/soc-acpi.c b/sound/soc/soc-acpi.c index b8e72b52db30..faf8941363e4 100644 --- a/sound/soc/soc-acpi.c +++ b/sound/soc/soc-acpi.c @@ -15,7 +15,10 @@ snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines) if (acpi_dev_present(mach->id, NULL, -1)) { if (mach->machine_quirk) mach = mach->machine_quirk(mach); - return mach; + + /* return matched machine, continue otherwise */ + if (mach) + return mach; } } return NULL;