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s390/bpf: Fix offset parameter for skb_copy_bits()

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Currently the offset parameter for skb_copy_bits is changed in
sk_load_word() and sk_load_half(). Therefore it is not correct when
calling skb_copy_bits(). Fix this and use the original offset
for the function call.

Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Michael Holzheu 2015-01-15 10:21:20 +01:00 committed by Martin Schwidefsky
parent db9aa8f432
commit d86eb7448e
1 changed files with 2 additions and 0 deletions
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2
arch/s390/net/bpf_jit.S
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@ -44,6 +44,7 @@ ENTRY(sk_load_word)
sk_load_word_slow:
lgr %r9,%r2 # save %r2
lgr %r3,%r1 # offset
la %r4,160(%r15) # pointer to temp buffer
lhi %r5,4 # 4 bytes
brasl %r14,skb_copy_bits # get data from skb
@ -69,6 +70,7 @@ ENTRY(sk_load_half)
sk_load_half_slow:
lgr %r9,%r2 # save %r2
lgr %r3,%r1 # offset
la %r4,162(%r15) # pointer to temp buffer
lhi %r5,2 # 2 bytes
brasl %r14,skb_copy_bits # get data from skb