hci_test_bit() does not modify 2nd parameter, so it is better to let it
be constant, or may cause build warning. The related warning (with
allmodconfig under xtensa):
net/bluetooth/hci_sock.c: In function 'hci_sock_sendmsg':
net/bluetooth/hci_sock.c:955:8: warning: passing argument 2 of 'hci_test_bit' discards 'const' qualifier from pointer target type [-Wdiscarded-array-qualifiers]
&hci_sec_filter.ocf_mask[ogf])) &&
^
net/bluetooth/hci_sock.c:49:19: note: expected 'void *' but argument is of type 'const __u32 (*)[4] {aka const unsigned int (*)[4]}'
static inline int hci_test_bit(int nr, void *addr)
^
Signed-off-by: Chen Gang <gang.chen.5i5j@xxxxxxxxx>
---
net/bluetooth/hci_sock.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 80c5a79..858b53a 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -46,7 +46,7 @@ struct hci_pinfo {
unsigned short channel;
};
-static inline int hci_test_bit(int nr, void *addr)
+static inline int hci_test_bit(int nr, const void *addr)
{
return *((__u32 *) addr + (nr >> 5)) & ((__u32) 1 << (nr & 31));
}
--
1.9.3
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