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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-11-19 01:06:06 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-11-19 01:06:06 +0100 |
| commit | dcaea2c18e43976477507c1bb5449278b4bf22b2 (patch) | |
| tree | b02f615347d179ba0c74afeaff467c8be70a5581 /drivers/acpi/ec.c | |
| parent | Merge branch 'acpi-hotplug' (diff) | |
| parent | ACPI / EC: Ensure lock is acquired before accessing ec struct members (diff) | |
| download | linux-dcaea2c18e43976477507c1bb5449278b4bf22b2.tar.xz linux-dcaea2c18e43976477507c1bb5449278b4bf22b2.zip | |
Merge branch 'acpi-ec'
* acpi-ec:
ACPI / EC: Ensure lock is acquired before accessing ec struct members
Diffstat (limited to 'drivers/acpi/ec.c')
| -rw-r--r-- | drivers/acpi/ec.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index d5309fd49458..ba5b56db9d27 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -173,9 +173,10 @@ static void start_transaction(struct acpi_ec *ec) static void advance_transaction(struct acpi_ec *ec, u8 status) { unsigned long flags; - struct transaction *t = ec->curr; + struct transaction *t; spin_lock_irqsave(&ec->lock, flags); + t = ec->curr; if (!t) goto unlock; if (t->wlen > t->wi) { |