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cxgb4: fix -ve error check on a signed iq
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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 <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Colin Ian King authored and David S. Miller committed Sep 26, 2016
1 parent bce3414 commit 1cb1860
Showing 1 changed file with 5 additions and 5 deletions.
10 changes: 5 additions & 5 deletions drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c
Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down Expand Up @@ -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) &&
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