From d1056e8dfe508f8233796122b1cdf02676ae7332 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 11 Feb 2012 03:05:32 -0500
Subject: [PATCH] --- yaml --- r: 296434 b: refs/heads/master c:
 199eebbae45791af0f37184dd495f16a6cf5c34a h: refs/heads/master v: v3

---
 [refs]                       | 2 +-
 trunk/arch/um/drivers/line.c | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 967cc86c401e..0b2a64f198a8 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 64405360cee33a058d7e07713af23aca43b96d41
+refs/heads/master: 199eebbae45791af0f37184dd495f16a6cf5c34a
diff --git a/trunk/arch/um/drivers/line.c b/trunk/arch/um/drivers/line.c
index 4a3c853689a3..4ab0d9c0911c 100644
--- a/trunk/arch/um/drivers/line.c
+++ b/trunk/arch/um/drivers/line.c
@@ -344,6 +344,7 @@ static irqreturn_t line_write_interrupt(int irq, void *data)
 	spin_lock(&line->lock);
 	err = flush_buffer(line);
 	if (err == 0) {
+		spin_unlock(&line->lock);
 		return IRQ_NONE;
 	} else if (err < 0) {
 		line->head = line->buffer;