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mISDN: hfcsusb: Use struct_size() helper 

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 2020-06-17 18:15:57 -05:00 committed by David S. Miller
parent c90834cd47
commit 9f66a4557e
1 changed files with 1 additions and 2 deletions
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3
drivers/isdn/hardware/mISDN/hfcsusb.c
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@ -261,8 +261,7 @@ hfcsusb_ph_info(struct hfcsusb *hw)
phi->bch[i].Flags = hw->bch[i].Flags;
}
_queue_data(&dch->dev.D, MPH_INFORMATION_IND, MISDN_ID_ANY,
sizeof(struct ph_info_dch) + dch->dev.nrbchan *
sizeof(struct ph_info_ch), phi, GFP_ATOMIC);
struct_size(phi, bch, dch->dev.nrbchan), phi, GFP_ATOMIC);
kfree(phi);
}