File U_mtdev_close-should-ignore-NULL-devices.patch of Package mtdev

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File U_mtdev_close-should-ignore-NULL-devices.patch of Package mtdev (Revision 8a5c851448d89d73fe9fbd002e313df5)

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From 61684cf0466200631b6a44af1c662eb760ad3f5d Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Tue, 19 Apr 2011 11:41:04 +0200
Subject: [PATCH 1/2] mtdev_close should ignore NULL devices.

Saves us one goto label in mtdev_init.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
---
 src/core.c |   12 +++++++-----
 1 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/core.c b/src/core.c
index 1f7c1fe..07bc828 100644
--- a/src/core.c
+++ b/src/core.c
@@ -365,11 +365,11 @@ int mtdev_open(struct mtdev *dev, int fd)
 		goto error;
 	ret = mtdev_configure(dev, fd);
 	if (ret)
-		goto mtdev;
+		goto error;
 	return 0;
- mtdev:
-	mtdev_close(dev);
+
  error:
+	mtdev_close(dev);
 	return ret;
 }
 
@@ -411,8 +411,10 @@ void mtdev_close_delete(struct mtdev *dev)
 
 void mtdev_close(struct mtdev *dev)
 {
-	free(dev->state);
-	memset(dev, 0, sizeof(struct mtdev));
+	if (dev) {
+		free(dev->state);
+		memset(dev, 0, sizeof(struct mtdev));
+	}
 }
 
 void mtdev_delete(struct mtdev *dev)
-- 
1.7.6

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File U_mtdev_close-should-ignore-NULL-devices.patch of Package mtdev (Revision 8a5c851448d89d73fe9fbd002e313df5)

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