Dan Carpenter 92c1ff1fa7
ipw2x00: signedness bug handling frame length ...
This is basically just a cleanup. Large positive numbers get counted as
negative but then get implicitly cast to positive again for the checks
that matter.
This does make a small difference in ipw_handle_promiscuous_rx() when we
test "if (unlikely((len + IPW_RX_FRAME_SIZE) > skb_tailroom(rxb->skb)))"
It should return there, but we don't return until a couple lines later
when we test "if (len > IPW_RX_BUF_SIZE - sizeof(struct ipw_rt_hdr)) {".
The difference is that in the second test the sizeof() means that there
is an implied cast to unsigned.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com >
Reviewed-by: Stanislaw Gruszka <sgruszka@redhat.com >
Signed-off-by: John W. Linville <linville@tuxdriver.com >
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