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igb: Proactively round up to kmalloc bucket size

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In preparation for removing the "silently change allocation size"
users of ksize(), explicitly round up all q_vector allocations so that
allocations can be correctly compared to ksize().

Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Cc: Tony Nguyen <anthony.l.nguyen@intel.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: intel-wired-lan@lists.osuosl.org
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This commit is contained in:
Kees Cook 2022-10-18 02:25:25 -07:00 committed by Tony Nguyen
parent 0668716506
commit e9d696cb44
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/intel/igb/igb_main.c
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@ -1195,7 +1195,7 @@ static int igb_alloc_q_vector(struct igb_adapter *adapter,
return -ENOMEM;
ring_count = txr_count + rxr_count;
size = struct_size(q_vector, ring, ring_count);
size = kmalloc_size_roundup(struct_size(q_vector, ring, ring_count));
/* allocate q_vector and rings */
q_vector = adapter->q_vector[v_idx];