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can: avoids a false warning

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At this point optlen == sizeof(sfilter) but some compilers are dumb.

Reported-by: Németh Márton <[email protected]
Signed-off-by: Eric Dumazet <[email protected]>
Acked-by: Oliver Hartkopp <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Eric Dumazet 2010-04-09 23:47:31 +00:00 • committed by David S. Miller
commit 4ffa87012e
1 changed files with 1 additions and 1 deletions
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2
net/can/raw.c
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@ -445,7 +445,7 @@ static int raw_setsockopt(struct socket *sock, int level, int optname,
return -EFAULT;
}
} else if (count == 1) {
if (copy_from_user(&sfilter, optval, optlen))
if (copy_from_user(&sfilter, optval, sizeof(sfilter)))
return -EFAULT;
}