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net: stmmac: selftests: Use struct_size() helper in kzalloc()

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Make use of the struct_size() helper instead of an open-coded version
in order to avoid any potential type mistakes.

This code was detected with the help of Coccinelle and, audited and
fixed manually.

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gustavo A. R. Silva 2020-06-16 18:03:28 -05:00 committed by David S. Miller
parent 3dd1499666
commit 4e638025f2
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
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@ -1094,7 +1094,7 @@ static int stmmac_test_rxp(struct stmmac_priv *priv)
if (!priv->dma_cap.frpsel)
return -EOPNOTSUPP;
sel = kzalloc(sizeof(*sel) + nk * sizeof(struct tc_u32_key), GFP_KERNEL);
sel = kzalloc(struct_size(sel, keys, nk), GFP_KERNEL);
if (!sel)
return -ENOMEM;