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Date:   Tue, 7 Mar 2017 15:54:35 +0000
From:   "Mintz, Yuval" <>
To:     Michal Schmidt <>,
        "" <>
CC:     "Elior, Ariel" <>
Subject: RE: [PATCH net 3/7 v2] bnx2x: fix possible overrun of VFPF multicast
 addresses array

> It is too late to check for the limit of the number of VF multicast addresses
> after they have already been copied to the req->multicast[] array, possibly
> overflowing it.
> Do the check before copying.
> Checking early also avoids having to (and forgetting to) unlock vf2pf_mutex.
> While we're looking at the error paths in the function, also return an error
> code from it when the PF responds with an error. Even though the caller
> ignores it.
> v2: Move the check before bnx2x_vfpf_prep() as suggested by Yuval.
> Signed-off-by: Michal Schmidt <>

Acked-by: Yuval Mintz <

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