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(parent: 410b6f8) | patch
qed: Fix potential use-after-free in qed_spq_post()
authorRoland Dreier <roland@purestorage.com>
Mon, 15 Jan 2018 20:24:49 +0000 (12:24 -0800)
committerDavid S. Miller <davem@davemloft.net>
Tue, 16 Jan 2018 19:57:34 +0000 (14:57 -0500)
commit6b7ea44ebe7671566d2cab1aef28aaef31967972
tree3e68c546ff184fea0b1b87a4af743720f3c9b34btree | snapshot
parent410b6f84e90522a663f602e18a6c138518f4a3edcommit | diff
qed: Fix potential use-after-free in qed_spq_post()

We need to check if p_ent->comp_mode is QED_SPQ_MODE_EBLOCK before
calling qed_spq_add_entry().  The test is fine is the mode is EBLOCK,
but if it isn't then qed_spq_add_entry() might kfree(p_ent).

Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/qlogic/qed/qed_spq.c diff | blob | history
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