commit 199e9e7d1106686a85ee9fdf6a824051aa82682e
author Alexey Starikovskiy <astarikovskiy@suse.de> Fri Aug 10 13:45:18 2007 -0700
committer Len Brown <len.brown@intel.com> Sat Aug 11 22:26:24 2007 -0400
tree e3fe8cdbc1d561e890ccdfc34a40ae860f4451ba
parent 0a5245099819b0ae0a8e985f54909ba8414faba5

ACPI EC: remove potential deadlock from EC

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/acpi/ec.c

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index b28b565..2300d81 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -710,9 +710,7 @@
 	/* Check if we found the boot EC */
 	if (boot_ec) {
 		if (boot_ec->gpe == ec->gpe) {
-			mutex_lock(&boot_ec->lock);
 			ec_remove_handlers(boot_ec);
-			mutex_unlock(&boot_ec->lock);
 			mutex_destroy(&boot_ec->lock);
 			kfree(boot_ec);
 			first_ec = boot_ec = NULL;