From: Johannes Berg <johannes.berg@intel.com>
Date: Tue, 21 Aug 2012 16:57:11 +0000 (+0200)
Subject: iwlwifi: protect SRAM debugfs
X-Git-Tag: v3.2.30~130
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=22d4436ddd8532fe0ef66d0c4f72e93c23831b37;p=pandora-kernel.git

iwlwifi: protect SRAM debugfs

commit 4fc79db178f0a0ede479b4713e00df2d106028b3 upstream.

If the device is not started, we can't read its
SRAM and attempting to do so will cause issues.
Protect the debugfs read.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
[bwh: Backported to 3.2:
 - Adjust context
 - Pass iwl_shared not iwl_priv pointer to iwl_is_ready_rf()]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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