From: Yi Zou Date: Fri, 20 Apr 2012 05:48:08 +0000 (+0000) Subject: ixgbe: fix calling skb_put on nonlinear skb assertion bug X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=441e1719f21356ef84d2debc6ca3e6d07e6c8889;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git ixgbe: fix calling skb_put on nonlinear skb assertion bug With the support to bounce buffer added, the skb is coming as nonlinear in the case of non-DDPed data frames for FCoE, which is mostly ok as the FCoE stack would take care of that. However, for target mode, we have to set the FC CRC and FC EOF field to allow the protocol stack to not drop the frame for the last data frame of that sequence. So fix this by linearizing the skb first before doing skb_put(). Signed-off-by: Yi Zou Tested-by: Marcus Dennis Signed-off-by: Jeff Kirsher --- diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c index 77ea4b716535..bc07933d67da 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c @@ -437,6 +437,7 @@ int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter, */ if ((fh->fh_r_ctl == FC_RCTL_DD_SOL_DATA) && (fctl & FC_FC_END_SEQ)) { + skb_linearize(skb); crc = (struct fcoe_crc_eof *)skb_put(skb, sizeof(*crc)); crc->fcoe_eof = FC_EOF_T; }