3.17-stable review patch. If anyone has any objections, please let me know.
------------------
This reverts commit 2dbfff81a40b5b2be553042ad5c767e34fdd214c, which
really is commit 558e4736f2e1b0e6323adf7a5e4df77ed6cfc1a4 upstream.
Sorry for the confusion, this got applied twice, and reverted once, this
is the second revert and I hope to never touch it again...
Reported-by: Lv Zheng <lv.zh...@intel.com>
Cc: Alexander Mezin <mezin.alexan...@gmail.com>
Cc: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/acpi/ec.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -299,11 +299,11 @@ static int acpi_ec_transaction_unlocked(
/* following two actions should be kept atomic */
ec->curr = t;
start_transaction(ec);
- if (ec->curr->command == ACPI_EC_COMMAND_QUERY)
- clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags);
spin_unlock_irqrestore(&ec->lock, tmp);
ret = ec_poll(ec);
spin_lock_irqsave(&ec->lock, tmp);
+ if (ec->curr->command == ACPI_EC_COMMAND_QUERY)
+ clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags);
ec->curr = NULL;
spin_unlock_irqrestore(&ec->lock, tmp);
return ret;
--
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