path: root/net
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authorStanislaw Gruszka <sgruszka@redhat.com>2011-04-20 15:57:14 +0200
committerJohn W. Linville <linville@tuxdriver.com>2011-04-20 16:05:59 -0400
commitb25026981aecde3685dd0e45ad980fff9f528daa (patch)
treedb9972ab6095d6bd57978d734810e26c733338ee /net
parent243e6df4ed919880d079d717641ad699c6530a03 (diff)
iwlwifi: fix skb usage after free
Since commit a120e912eb51e347f36c71b60a1d13af74d30e83 Author: Stanislaw Gruszka <sgruszka@redhat.com> Date: Fri Feb 19 15:47:33 2010 -0800 iwlwifi: sanity check before counting number of tfds can be free we use skb->data after calling ieee80211_tx_status_irqsafe(), which could free skb instantly. On current kernels I do not observe practical problems related with bug, but on 2.6.35.y it cause random system hangs when stressing wireless link. Cc: stable@kernel.org # 2.6.32+ Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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