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090f16f6fb
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12948 3c298f89-4303-0410-b956-a3cf2f4a3e73
28 lines
888 B
Diff
28 lines
888 B
Diff
Subject: mac80211: fix debugfs netdev rename
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If, for some reason, a netdev has no debugfs dir, we shouldn't
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try to rename that dir.
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Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
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Cc: Robin Holt <holt@sgi.com>
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---
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net/mac80211/debugfs_netdev.c | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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--- everything.orig/net/mac80211/debugfs_netdev.c 2008-10-08 10:08:23.000000000 +0200
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+++ everything/net/mac80211/debugfs_netdev.c 2008-10-08 10:22:52.000000000 +0200
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@@ -481,8 +481,12 @@ static int netdev_notify(struct notifier
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sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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- sprintf(buf, "netdev:%s", dev->name);
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dir = sdata->debugfsdir;
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+
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+ if (!dir)
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+ return 0;
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+
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+ sprintf(buf, "netdev:%s", dev->name);
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if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
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printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs "
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"dir to %s\n", buf);
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