From: Rebecca Schultz Zavin <rebecca@android.com>
Date: Fri, 13 Dec 2013 22:24:02 +0000 (-0800)
Subject: gpu: ion: Fix bug in ion_free
X-Git-Tag: v3.14-rc1~13^2~457
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=37bdbf00c618203467a17d01a4dfae324a818022;p=platform%2Fkernel%2Flinux-exynos.git

gpu: ion: Fix bug in ion_free

Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>
[jstultz: modified patch to apply to staging directory]
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
index f7dc821..e52522c 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -406,6 +406,7 @@ void ion_free(struct ion_client *client, struct ion_handle *handle)
 
 	if (!valid_handle) {
 		WARN(1, "%s: invalid handle passed to free.\n", __func__);
+		mutex_unlock(&client->lock);
 		return;
 	}
 	ion_handle_put(handle);