fix(demo): fix cdc ecm string check
Signed-off-by: sakumisu <1203593632@qq.com>
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@@ -83,7 +83,7 @@ static const uint8_t *device_quality_descriptor_callback(uint8_t speed)
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static const char *string_descriptor_callback(uint8_t speed, uint8_t index)
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static const char *string_descriptor_callback(uint8_t speed, uint8_t index)
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{
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{
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if (index > 3) {
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if (index > 4) {
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return NULL;
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return NULL;
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}
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}
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return string_descriptors[index];
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return string_descriptors[index];
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