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authorLinus Torvalds <torvalds@linux-foundation.org>2013-10-17 10:39:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-10-17 10:39:01 -0700
commit83f11a9cf2578b104c0daf18fc9c7d33c3d6d53a (patch)
tree4b884381e2686db8e0b33a6b17cdbc5af7c0a12c
parent02a3250fd39e3ad7568acc296e8d4d2d265c3def (diff)
parenta37f86305c80f441b8b99dae7c19d3f9d2effc15 (diff)
downloadlinux-83f11a9cf2578b104c0daf18fc9c7d33c3d6d53a.tar.gz
Merge tag 'driver-core-3.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fix from Greg KH:
 "Here is one fix for the hotplug memory path that resolves a regression
  when removing memory that showed up in 3.12-rc1"

* tag 'driver-core-3.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  driver core: Release device_hotplug_lock when store_mem_state returns EINVAL
-rw-r--r--drivers/base/memory.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 9e59f6535c44..bece691cb5d9 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -333,8 +333,10 @@ store_mem_state(struct device *dev,
 		online_type = ONLINE_KEEP;
 	else if (!strncmp(buf, "offline", min_t(int, count, 7)))
 		online_type = -1;
-	else
-		return -EINVAL;
+	else {
+		ret = -EINVAL;
+		goto err;
+	}
 
 	switch (online_type) {
 	case ONLINE_KERNEL:
@@ -357,6 +359,7 @@ store_mem_state(struct device *dev,
 		ret = -EINVAL; /* should never happen */
 	}
 
+err:
 	unlock_device_hotplug();
 
 	if (ret)