On Wed, 2015-06-17 at 12:21PM -0400, Nicholas Krause wrote: > > > On June 17, 2015 12:07:30 PM EDT, "Sören Brinkmann" > <soren.brinkm...@xilinx.com> wrote: > >On Wed, 2015-06-17 at 11:52AM -0400, Nicholas Krause wrote: > >> This removes the unused variable num_frag and the setting of it > >> to the number of fragments from the passed sk_buff pointer by > >> this function's caller due to this variable never being used > >> in this particular function and is not declared as global so > >> setting it for global use in this file is pointless. > >> > >> Signed-off-by: Nicholas Krause <xerofo...@gmail.com> > >> --- > >> drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 2 -- > >> 1 file changed, 2 deletions(-) > >> > >> diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c > >b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c > >> index 28b7e7d..624dce4 100644 > >> --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c > >> +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c > >> @@ -651,7 +651,6 @@ static inline int > >axienet_check_tx_bd_space(struct axienet_local *lp, > >> static int axienet_start_xmit(struct sk_buff *skb, struct net_device > >*ndev) > >> { > >> u32 ii; > >> - u32 num_frag; > >> u32 csum_start_off; > >> u32 csum_index_off; > >> skb_frag_t *frag; > >> @@ -659,7 +658,6 @@ static int axienet_start_xmit(struct sk_buff > >*skb, struct net_device *ndev) > >> struct axienet_local *lp = netdev_priv(ndev); > >> struct axidma_bd *cur_p; > >> > >> - num_frag = skb_shinfo(skb)->nr_frags; > >> cur_p = &lp->tx_bd_v[lp->tx_bd_tail]; > >> > >> if (axienet_check_tx_bd_space(lp, num_frag)) { > > > >It's used right here, isn't it (and further down in this function too)? > >Does your tree compile with this change? > > > > Sören > My tree does compile with this change.
You have to fix your testing process: CHK include/config/kernel.release UPD include/config/kernel.release CHK include/generated/uapi/linux/version.h CHK include/generated/utsrelease.h UPD include/generated/utsrelease.h CHK include/generated/bounds.h CHK include/generated/timeconst.h CHK include/generated/asm-offsets.h CALL scripts/checksyscalls.sh <stdin>:1253:2: warning: #warning syscall userfaultfd not implemented [-Wcpp] CC drivers/net/ethernet/xilinx/xilinx_axienet_main.o drivers/net/ethernet/xilinx/xilinx_axienet_main.c: In function 'axienet_start_xmit': drivers/net/ethernet/xilinx/xilinx_axienet_main.c:667:36: error: 'num_frag' undeclared (first use in this function) if (axienet_check_tx_bd_space(lp, num_frag)) { ^ drivers/net/ethernet/xilinx/xilinx_axienet_main.c:667:36: note: each undeclared identifier is reported only once for each function it appears in scripts/Makefile.build:258: recipe for target 'drivers/net/ethernet/xilinx/xilinx_axienet_main.o' failed make[1]: *** [drivers/net/ethernet/xilinx/xilinx_axienet_main.o] Error 1 Makefile:1545: recipe for target 'drivers/net/ethernet/xilinx/xilinx_axienet_main.o' failed make: *** [drivers/net/ethernet/xilinx/xilinx_axienet_main.o] Error 2 NACK for the patch. Sören -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html