From mboxrd@z Thu Jan 1 00:00:00 1970 From: Colin King Subject: [PATCH][V2] cxgb4: fix -ve error check on a signed iq Date: Sun, 25 Sep 2016 14:14:45 -0700 Message-ID: <20160925211445.11234-1-colin.king@canonical.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Cc: linux-kernel@vger.kernel.org To: ariprasad S , netdev@vger.kernel.org Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Colin Ian King iq is unsigned, so the error check for iq < 0 has no effect so errors can slip past this check. Fix this by making iq signed and also get_filter_steerq return a signed int so a -ve error can be returned. Signed-off-by: Colin Ian King --- drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c index 2a61617..1073673 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c @@ -117,11 +117,11 @@ static int validate_filter(struct net_device *dev, return 0; } -static unsigned int get_filter_steerq(struct net_device *dev, - struct ch_filter_specification *fs) +static int get_filter_steerq(struct net_device *dev, + struct ch_filter_specification *fs) { struct adapter *adapter = netdev2adap(dev); - unsigned int iq; + int iq; /* If the user has requested steering matching Ingress Packets * to a specific Queue Set, we need to make sure it's in range @@ -443,10 +443,10 @@ int __cxgb4_set_filter(struct net_device *dev, int filter_id, struct filter_ctx *ctx) { struct adapter *adapter = netdev2adap(dev); - unsigned int max_fidx, fidx, iq; + unsigned int max_fidx, fidx; struct filter_entry *f; u32 iconf; - int ret; + int iq, ret; max_fidx = adapter->tids.nftids; if (filter_id != (max_fidx + adapter->tids.nsftids - 1) && -- 2.9.3