X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fata%2Fpata_it821x.c;h=b05b86a912c5ddb7f7ae14a20bd15af76e61da54;hb=703a3cd72817e99201cef84a8a7aecc60b2b3581;hp=f1bb2f9fecbf347b50bb5d76253b6c6bb67e31b9;hpb=af7af690397296b663c8bc152a5f79f32abcef24;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c
index f1bb2f9fecbf..b05b86a912c5 100644
--- a/drivers/ata/pata_it821x.c
+++ b/drivers/ata/pata_it821x.c
@@ -557,6 +557,9 @@ static unsigned int it821x_read_id(struct ata_device *adev,
 		id[83] |= 0x4400;	/* Word 83 is valid and LBA48 */
 		id[86] |= 0x0400;	/* LBA48 on */
 		id[ATA_ID_MAJOR_VER] |= 0x1F;
+		/* Clear the serial number because it's different each boot
+		   which breaks validation on resume */
+		memset(&id[ATA_ID_SERNO], 0x20, ATA_ID_SERNO_LEN);
 	}
 	return err_mask;
 }