net: dsa: sja1105: Do not use address of compatible member in sja1105_check_device_id
Clang warns: drivers/net/dsa/sja1105/sja1105_main.c:3418:38: warning: address of array 'match->compatible' will always evaluate to 'true' [-Wpointer-bool-conversion] for (match = sja1105_dt_ids; match->compatible; match++) { ~~~ ~~~~~~~^~~~~~~~~~ 1 warning generated. We should check the value of the first character in compatible to see if it is empty or not. This matches how the rest of the tree iterates over IDs. Fixes: 0b0e2997 ("net: dsa: sja1105: use detected device id instead of DT one on mismatch") Link: https://github.com/ClangBuiltLinux/linux/issues/1139Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Vladimir Oltean <olteanv@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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