Commit d0fad89d authored by Stephen Boyd's avatar Stephen Boyd Committed by Gustavo F. Padovan

Bluetooth: Silence DEBUG_STRICT_USER_COPY_CHECKS=y warning

Enabling DEBUG_STRICT_USER_COPY_CHECKS causes the following
warning:

In function 'copy_from_user',
    inlined from 'rfcomm_sock_setsockopt' at
    net/bluetooth/rfcomm/sock.c:705:
arch/x86/include/asm/uaccess_64.h:65:
warning: call to 'copy_from_user_overflow' declared with
attribute warning: copy_from_user() buffer size is not provably
correct

presumably due to buf_size being signed causing GCC to fail to
see that buf_size can't become negative.

Cc: Marcel Holtmann <marcel@holtmann.org>
Cc: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: default avatarStephen Boyd <sboyd@codeaurora.org>
Signed-off-by: default avatarGustavo F. Padovan <padovan@profusion.mobi>
parent 8d03e971
...@@ -679,7 +679,8 @@ static int rfcomm_sock_setsockopt(struct socket *sock, int level, int optname, c ...@@ -679,7 +679,8 @@ static int rfcomm_sock_setsockopt(struct socket *sock, int level, int optname, c
{ {
struct sock *sk = sock->sk; struct sock *sk = sock->sk;
struct bt_security sec; struct bt_security sec;
int len, err = 0; int err = 0;
size_t len;
u32 opt; u32 opt;
BT_DBG("sk %p", sk); BT_DBG("sk %p", sk);
......
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