Hi all,
After merging the netfilter-next tree, today's linux-next build (x86_64
allmodconfig) produced this warning:
In file included from arch/x86/include/asm/checksum.h:4:0,
from include/net/checksum.h:26,
from include/linux/skbuff.h:31,
from include/linux/if_ether.h:23,
from include/uapi/linux/ethtool.h:18,
from include/linux/ethtool.h:17,
from include/linux/netdevice.h:42,
from include/linux/if_vlan.h:15,
from net/netfilter/nft_payload.c:13:
net/netfilter/nft_payload.c: In function 'nft_payload_set_eval':
arch/x86/include/asm/checksum_64.h:184:2: warning: 'tsum' may be used uninitialized in this function [-Wmaybe-uninitialized]
asm("addl %2,%0\n\t"
^
net/netfilter/nft_payload.c:261:15: note: 'tsum' was declared here
__wsum fsum, tsum;
^
In file included from include/linux/skbuff.h:31:0,
from include/linux/if_ether.h:23,
from include/uapi/linux/ethtool.h:18,
from include/linux/ethtool.h:17,
from include/linux/netdevice.h:42,
from include/linux/if_vlan.h:15,
from net/netfilter/nft_payload.c:13:
include/net/checksum.h:71:9: warning: 'fsum' may be used uninitialized in this function [-Wmaybe-uninitialized]
return csum_add(csum, ~addend);
^
net/netfilter/nft_payload.c:261:9: note: 'fsum' was declared here
__wsum fsum, tsum;
^
Introduced by commit
556c291b3a1b ("netfilter: nft_payload: layer 4 checksum adjustment for pseudoheader fields")
--
Cheers,
Stephen Rothwell
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