Change in coreboot[master]: lib/spd: Do not print part number if it is not available

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/62699 )

Change subject: lib/spd: Do not print part number if it is not available
......................................................................

lib/spd: Do not print part number if it is not available

If the DRAM part number is not available in the SPD data (meaning filled
with 0x00) do not print it in the log.

Change-Id: If7224c6e114731b1c03915a2bde80f57369d0cee
Signed-off-by: Werner Zeh 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62699
Tested-by: build bot (Jenkins) 
Reviewed-by: Subrata Banik 
Reviewed-by: Angel Pons 
---
M src/lib/spd_bin.c
1 file changed, 4 insertions(+), 2 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Angel Pons: Looks good to me, but someone else must approve
  Subrata Banik: Looks good to me, approved

diff --git a/src/lib/spd_bin.c b/src/lib/spd_bin.c
index 865f16c..1b236b0 100644
--- a/src/lib/spd_bin.c
+++ b/src/lib/spd_bin.c
@@ -167,8 +167,10 @@
    case SPD_DRAM_DDR5:
    case SPD_DRAM_LPDDR4:
    case SPD_DRAM_LPDDR4X:
-		*spd_name = (const char *) &spd[DDR4_SPD_PART_OFF];
-		*len = DDR4_SPD_PART_LEN;
+		if (spd[DDR4_SPD_PART_OFF]) {
+			*spd_name = (const char *) &spd[DDR4_SPD_PART_OFF];
+			*len = DDR4_SPD_PART_LEN;
+		}
    	break;
    default:
    	*len = 0;