From 764f21665a12e99f03124b4c8de722cdbff92213 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 9 Aug 2016 17:45:33 +0100 Subject: [PATCH] spi: Drop io_mutex in error paths A couple of error paths were missing drops of io_mutex. Reported-by: Julia Lawall Signed-off-by: Mark Brown --- drivers/spi/spi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 51ad42f..57179d5 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1159,6 +1159,7 @@ static void __spi_pump_messages(struct spi_master *master, bool in_kthread) if (ret < 0) { dev_err(&master->dev, "Failed to power device: %d\n", ret); + mutex_unlock(&master->io_mutex); return; } } @@ -1174,6 +1175,7 @@ static void __spi_pump_messages(struct spi_master *master, bool in_kthread) if (master->auto_runtime_pm) pm_runtime_put(master->dev.parent); + mutex_unlock(&master->io_mutex); return; } } -- 2.7.4