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Merge branch 'acpi-ec'

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* acpi-ec:
  ACPI / EC: Ensure lock is acquired before accessing ec struct members
This commit is contained in:
Rafael J. Wysocki 2013-11-19 01:06:06 +01:00
commit dcaea2c18e
1 changed files with 2 additions and 1 deletions
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3
drivers/acpi/ec.c
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@ -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) {