Commit b8ff3395 authored by Haowen Bai's avatar Haowen Bai Committed by Jakub Kicinski
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sfc: ef10: Fix assigning negative value to unsigned variable 



fix warning reported by smatch:
251 drivers/net/ethernet/sfc/ef10.c:2259 efx_ef10_tx_tso_desc()
warn: assigning (-208) to unsigned variable 'ip_tot_len'

Signed-off-by: default avatarHaowen Bai <baihaowen@meizu.com>
Acked-by: default avatarEdward Cree <ecree.xilinx@gmail.com>
Link: https://lore.kernel.org/r/1649640757-30041-1-git-send-email-baihaowen@meizu.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent c3976a3f

drivers/net/ethernet/sfc/ef10.c

+1 −1
Original line number Diff line number Diff line
@@ -2256,7 +2256,7 @@ int efx_ef10_tx_tso_desc(struct efx_tx_queue *tx_queue, struct sk_buff *skb, 
	 * guaranteed to satisfy the second as we only attempt TSO if

	 * inner_network_header <= 208.

	 */

	ip_tot_len = -EFX_TSO2_MAX_HDRLEN;

	ip_tot_len = 0x10000 - EFX_TSO2_MAX_HDRLEN;

	EFX_WARN_ON_ONCE_PARANOID(mss + EFX_TSO2_MAX_HDRLEN +

				  (tcp->doff << 2u) > ip_tot_len);