This patch avoids that gcc reports the following warning when building with W=1: drivers/scsi/sd.c:315:10: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits] if (val >= 0 && val <= T10_PI_TYPE3_PROTECTION) Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxx> Reviewed-by: Hannes Reinecke <hare@xxxxxxx> Cc: Christoph Hellwig <hch@xxxxxx> Cc: Johannes Thumshirn <jthumshirn@xxxxxxx> --- drivers/scsi/sd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 8b3d7994e182..7c0f9eb5a5fd 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -312,7 +312,7 @@ protection_type_store(struct device *dev, struct device_attribute *attr, if (err) return err; - if (val >= 0 && val <= T10_PI_TYPE3_PROTECTION) + if (val <= T10_PI_TYPE3_PROTECTION) sdkp->protection_type = val; return count; -- 2.14.1
