Change in flashrom[staging]: ich_descriptors: Fix more odd +1s

[Nico Huber (Code Review)]

Nico Huber has submitted this change and it was merged. ( https://review.coreboot.org/19044 )

Change subject: ich_descriptors: Fix more odd +1s
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ich_descriptors: Fix more odd +1s

+1 on everything doesn't make software greater per se.

v2: o Fix another +1.
    o Amend style of similar (not +1 suffering) code, too.

Change-Id: Ifa5455c999e90ff9121aed29f542d71ac9ca2b1c
Signed-off-by: Nico Huber 
Reviewed-on: https://review.coreboot.org/19044
Tested-by: build bot (Jenkins) 
Reviewed-by: Philippe Mathieu-Daudé 
Reviewed-by: Stefan Reinauer 
---
M ich_descriptors.c
1 file changed, 7 insertions(+), 9 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Philippe Mathieu-Daudé: Looks good to me, but someone else must approve
  Stefan Reinauer: Looks good to me, approved

diff --git a/ich_descriptors.c b/ich_descriptors.c
index b6453ce..7e2521a 100644
--- a/ich_descriptors.c
+++ b/ich_descriptors.c
@@ -611,26 +611,24 @@
    unsigned int i, max_count;
    msg_pdbg2("=== Softstraps ===\n");

-	if (sizeof(desc->north.STRPs) / 4 + 1 < desc->content.MSL) {
-		max_count = sizeof(desc->north.STRPs) / 4 + 1;
+	max_count = min(ARRAY_SIZE(desc->north.STRPs), desc->content.MSL);
+	if (max_count < desc->content.MSL) {
    	msg_pdbg2("MSL (%u) is greater than the current maximum of %u entries.\n",
-			  desc->content.MSL, max_count + 1);
+			  desc->content.MSL, max_count);
    	msg_pdbg2("Only the first %u entries will be printed.\n", max_count);
-	} else
-		max_count = desc->content.MSL;
+	}

msg_pdbg2("--- North/MCH/PROC (%d entries) ---\n", max_count);
    for (i = 0; i < max_count; i++)
    	msg_pdbg2("STRP%-2d = 0x%08x\n", i, desc->north.STRPs[i]);
    msg_pdbg2("\n");

-	if (sizeof(desc->south.STRPs) / 4 < desc->content.ISL) {
-		max_count = sizeof(desc->south.STRPs) / 4;
+	max_count = min(ARRAY_SIZE(desc->south.STRPs), desc->content.ISL);
+	if (max_count < desc->content.ISL) {
    	msg_pdbg2("ISL (%u) is greater than the current maximum of %u entries.\n",
    		  desc->content.ISL, max_count);
    	msg_pdbg2("Only the first %u entries will be printed.\n", max_count);
-	} else
-		max_count = desc->content.ISL;
+	}

msg_pdbg2("--- South/ICH/PCH (%d entries) ---\n", max_count);
    for (i = 0; i < max_count; i++)