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| author | Michael Holzheu <holzheu@linux.vnet.ibm.com> | 2015-01-15 10:23:46 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2015-01-15 11:10:41 +0100 |
| commit | fe82bbae36943fbead5e326aab1665d001a87dd7 (patch) | |
| tree | dbe55ddb71a08c232eda91e2f7906962fe7f1bc5 /arch/s390/net | |
| parent | 1a92b2deaf5c1b71f995ef571076200a391aac66 (diff) | |
| download | linux-fe82bbae36943fbead5e326aab1665d001a87dd7.tar.gz | |
s390/bpf: Zero extend parameters before calling C function
The s390x ABI requires to zero extend parameters before functions are called. Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/net')
| -rw-r--r-- | arch/s390/net/bpf_jit.S | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/s390/net/bpf_jit.S b/arch/s390/net/bpf_jit.S index e2f2111bd107..ba44c9f55346 100644 --- a/arch/s390/net/bpf_jit.S +++ b/arch/s390/net/bpf_jit.S @@ -46,7 +46,7 @@ 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 + lghi %r5,4 # 4 bytes brasl %r14,skb_copy_bits # get data from skb l %r5,160(%r15) # load result from temp buffer ltgr %r2,%r2 # set cc to (%r2 != 0) @@ -72,7 +72,7 @@ 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 + lghi %r5,2 # 2 bytes brasl %r14,skb_copy_bits # get data from skb xc 160(2,%r15),160(%r15) l %r5,160(%r15) # load result from temp buffer @@ -97,8 +97,9 @@ ENTRY(sk_load_byte) sk_load_byte_slow: lgr %r9,%r2 # save %r2 + lgr %r3,%r1 # offset la %r4,163(%r15) # pointer to temp buffer - lhi %r5,1 # 1 bytes + lghi %r5,1 # 1 byte brasl %r14,skb_copy_bits # get data from skb xc 160(3,%r15),160(%r15) l %r5,160(%r15) # load result from temp buffer @@ -120,8 +121,9 @@ ENTRY(sk_load_byte_msh) sk_load_byte_msh_slow: lgr %r9,%r2 # save %r2 + lgr %r3,%r1 # offset la %r4,163(%r15) # pointer to temp buffer - lhi %r5,1 # 1 bytes + lghi %r5,1 # 1 byte brasl %r14,skb_copy_bits # get data from skb xc 160(3,%r15),160(%r15) l %r12,160(%r15) # load result from temp buffer |