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authorArnd Bergmann <arnd@arndb.de>2016-08-26 17:25:45 +0200
committerDavid S. Miller <davem@davemloft.net>2016-08-29 00:30:23 -0400
commit0b498a52778368ff501557d68c7b50878ab1701e (patch)
tree1288212b68e9e981fa7ea21656aaf13d75ed3ee5 /drivers/net
parentf9dc70744dc74bc9e128d579f2bc85eb7c0ad8ce (diff)
downloadlinux-0b498a52778368ff501557d68c7b50878ab1701e.tar.bz2
net_sched: fix use of uninitialized ethertype variable in cls_flower
The addition of VLAN support caused a possible use of uninitialized data if we encounter a zero TCA_FLOWER_KEY_ETH_TYPE key, as pointed out by "gcc -Wmaybe-uninitialized": net/sched/cls_flower.c: In function 'fl_change': net/sched/cls_flower.c:366:22: error: 'ethertype' may be used uninitialized in this function [-Werror=maybe-uninitialized] This changes the code to only set the ethertype field if it was nonzero, as before the patch. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: 9399ae9a6cb2 ("net_sched: flower: Add vlan support") Cc: Hadar Hen Zion <hadarh@mellanox.com> Cc: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
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