From: Chen Gang <gang.chen.5i5j@xxxxxxxxx>
This patch has been added to the 3.12 stable tree. If you have any
objections, please let us know.
===============
commit b18c5d15e8714336365d9d51782d5b53afa0443c upstream.
The related code can be simplified, and also can avoid related warnings
(with allmodconfig under parisc):
CC [M] net/netfilter/nfnetlink_cthelper.o
net/netfilter/nfnetlink_cthelper.c: In function ‘nfnl_cthelper_from_nlattr’:
net/netfilter/nfnetlink_cthelper.c:97:9: warning: passing argument 1 o ‘memcpy’ discards ‘const’ qualifier from pointer target type [-Wdiscarded-array-qualifiers]
memcpy(&help->data, nla_data(attr), help->helper->data_len);
^
In file included from include/linux/string.h:17:0,
from include/uapi/linux/uuid.h:25,
from include/linux/uuid.h:23,
from include/linux/mod_devicetable.h:12,
from ./arch/parisc/include/asm/hardware.h:4,
from ./arch/parisc/include/asm/processor.h:15,
from ./arch/parisc/include/asm/spinlock.h:6,
from ./arch/parisc/include/asm/atomic.h:21,
from include/linux/atomic.h:4,
from ./arch/parisc/include/asm/bitops.h:12,
from include/linux/bitops.h:36,
from include/linux/kernel.h:10,
from include/linux/list.h:8,
from include/linux/module.h:9,
from net/netfilter/nfnetlink_cthelper.c:11:
./arch/parisc/include/asm/string.h:8:8: note: expected ‘void *’ but argument is of type ‘const char (*)[]’
void * memcpy(void * dest,const void *src,size_t count);
^
Signed-off-by: Chen Gang <gang.chen.5i5j@xxxxxxxxx>
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
net/netfilter/nfnetlink_cthelper.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/netfilter/nfnetlink_cthelper.c b/net/netfilter/nfnetlink_cthelper.c
index 7f035f0772ee..54330fb5efaf 100644
--- a/net/netfilter/nfnetlink_cthelper.c
+++ b/net/netfilter/nfnetlink_cthelper.c
@@ -89,7 +89,7 @@ nfnl_cthelper_parse_tuple(struct nf_conntrack_tuple *tuple,
static int
nfnl_cthelper_from_nlattr(struct nlattr *attr, struct nf_conn *ct)
{
- const struct nf_conn_help *help = nfct_help(ct);
+ struct nf_conn_help *help = nfct_help(ct);
if (attr == NULL)
return -EINVAL;
@@ -97,7 +97,7 @@ nfnl_cthelper_from_nlattr(struct nlattr *attr, struct nf_conn *ct)
if (help->helper->data_len == 0)
return -EINVAL;
- memcpy(&help->data, nla_data(attr), help->helper->data_len);
+ memcpy(help->data, nla_data(attr), help->helper->data_len);
return 0;
}
--
2.4.6
--
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