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authorEric W. Biederman <ebiederm@xmission.com>2014-03-15 04:57:59 +0400
committerDavid S. Miller <davem@davemloft.net>2014-03-15 06:52:47 +0400
commitb3529744b412e9870c9e10fef874e3bee2af1afa (patch)
treeecf175ae5a09065e6f12dd87e2d78616b6fc4ef9 /drivers
parent1c79a5a8f4faec88f9f4632d0ef9b0365bff8e28 (diff)
downloadlinux-b3529744b412e9870c9e10fef874e3bee2af1afa.tar.xz
bnx2x: Don't receive packets when the napi budget == 0
Processing any incoming packets with a with a napi budget of 0 is incorrect driver behavior. This matters as netpoll will shortly call drivers with a budget of 0 to avoid receive packet processing happening in hard irq context. Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 117b5c7f8ac9..acd494647f25 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -872,6 +872,8 @@ static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
if (unlikely(bp->panic))
return 0;
#endif
+ if (budget <= 0)
+ return rx_pkt;
bd_cons = fp->rx_bd_cons;
bd_prod = fp->rx_bd_prod;