X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fmd%2Fdm-zero.c;h=cc2b3cb819465c4f6becb14897d998ebfb976572;hb=f6f0a6d6a7258eff41fd202fc70df18271a2de79;hp=bbc97030c0c200eb35160beddb0342693c7c7250;hpb=b2576e1d4408e134e2188c967b1f28af39cd79d4;p=karo-tx-linux.git

diff --git a/drivers/md/dm-zero.c b/drivers/md/dm-zero.c
index bbc97030c0c2..cc2b3cb81946 100644
--- a/drivers/md/dm-zero.c
+++ b/drivers/md/dm-zero.c
@@ -22,6 +22,11 @@ static int zero_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 		return -EINVAL;
 	}
 
+	/*
+	 * Silently drop discards, avoiding -EOPNOTSUPP.
+	 */
+	ti->num_discard_requests = 1;
+
 	return 0;
 }