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git://projects.qi-hardware.com/openwrt-xburst.git
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090f16f6fb
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12948 3c298f89-4303-0410-b956-a3cf2f4a3e73
33 lines
1.1 KiB
Diff
33 lines
1.1 KiB
Diff
Subject: cfg80211: fix debugfs error handling
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If something goes wrong creating the debugfs dir or when
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debugfs is not compiled in, the current code might lead to
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trouble; make it more robust.
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Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
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---
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net/wireless/core.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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--- everything.orig/net/wireless/core.c 2008-10-08 10:13:49.000000000 +0200
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+++ everything/net/wireless/core.c 2008-10-08 10:19:10.000000000 +0200
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@@ -185,7 +185,8 @@ int cfg80211_dev_rename(struct cfg80211_
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if (result)
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goto out_unlock;
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- if (!debugfs_rename(rdev->wiphy.debugfsdir->d_parent,
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+ if (rdev->wiphy.debugfsdir &&
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+ !debugfs_rename(rdev->wiphy.debugfsdir->d_parent,
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rdev->wiphy.debugfsdir,
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rdev->wiphy.debugfsdir->d_parent,
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newname))
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@@ -318,6 +319,8 @@ int wiphy_register(struct wiphy *wiphy)
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drv->wiphy.debugfsdir =
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debugfs_create_dir(wiphy_name(&drv->wiphy),
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ieee80211_debugfs_dir);
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+ if (IS_ERR(drv->wiphy.debugfsdir))
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+ drv->wiphy.debugfsdir = NULL;
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res = 0;
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out_unlock:
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