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kni: fix build with kernel < 3.0

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Compile error:
  CC [M]  .../build/lib/librte_eal/linuxapp/kni/igb_main.o
.../build/lib/librte_eal/linuxapp/kni/igb_main.c:
In function ‘igb_check_swap_media’:
.../build/lib/librte_eal/linuxapp/kni/igb_main.c:1556:7:
error: variable ‘link’ set but not used [-Werror=unused-but-set-variable]
  bool link;
       ^

With Linux kernel >= v3.0 this warning disabled:
Linux: 8417da6f2128 ("kbuild: Fix passing -Wno-* options to gcc 4.4+")

Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
This commit is contained in:
Ferruh Yigit 2016-09-16 17:09:58 +01:00 committed by Thomas Monjalon
parent e30a0178d2
commit ac11f6e84a
1 changed files with 1 additions and 0 deletions
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lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c
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@ -1558,6 +1558,7 @@ static void igb_check_swap_media(struct igb_adapter *adapter)
ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
connsw = E1000_READ_REG(hw, E1000_CONNSW);
link = igb_has_link(adapter);
(void) link;
/* need to live swap if current media is copper and we have fiber/serdes
* to go to.