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(parent: f556331) | patch
mac80211: fix crash if bitrate calculation goes wrong
authorJohannes Berg <johannes.berg@intel.com>
Fri, 11 Oct 2013 13:47:06 +0000 (15:47 +0200)
committerJohannes Berg <johannes.berg@intel.com>
Mon, 14 Oct 2013 07:47:08 +0000 (09:47 +0200)
commitd86aa4f8ca58898ec6a94c0635da20b948171ed7
tree9f6ca03c0304f1b5fe9f2b1cb4e5cf1b1d9e0a53tree
parentf5563318ff1bde15b10e736e97ffce13be08bc1acommit | diff
mac80211: fix crash if bitrate calculation goes wrong

If a frame's timestamp is calculated, and the bitrate
calculation goes wrong and returns zero, the system
will attempt to divide by zero and crash. Catch this
case and print the rate information that the driver
reported when this happens.

Cc: stable@vger.kernel.org
Reported-by: Thomas Lindroth <thomas.lindroth@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
net/mac80211/util.c diff | blob | blame | history
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