pppd: Rework use of volatile in lcp-rtt code to eliminate warnings #469
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To eliminate the warnings, the lcp_rtt_buffer variable no longer points to volatile, and instead accesses are made using 'ring_header' local variables, which do point to volatile, and contain the same address. Signed-off-by: Paul Mackerras <[email protected]>
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To eliminate the warnings, the lcp_rtt_buffer variable no longer points to volatile, and instead accesses are made using 'ring_header' local variables, which do point to volatile, and contain the same address.