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13 lines
313 B
Diff
13 lines
313 B
Diff
--- a/drivers/cbus/tahvo.c
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+++ b/drivers/cbus/tahvo.c
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@@ -104,7 +104,9 @@ void tahvo_write_reg(struct device *chil
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{
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struct tahvo *tahvo = dev_get_drvdata(child->parent);
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+ mutex_lock(&tahvo->mutex);
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__tahvo_write_reg(tahvo, reg, val);
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+ mutex_unlock(&tahvo->mutex);
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}
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EXPORT_SYMBOL(tahvo_write_reg);
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