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-rw-r--r--drivers/acpi/ec.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 743ce27..8f5aaf7 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -280,8 +280,10 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command,
mutex_lock(&ec->lock);
if (ec->global_lock) {
status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
- if (ACPI_FAILURE(status))
+ if (ACPI_FAILURE(status)) {
+ mutex_unlock(&ec->lock);
return -ENODEV;
+ }
}
/* Make sure GPE is enabled before doing transaction */
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