Change in flashrom[master]: search.c: Fix warnings

[Edward O'Callaghan (Code Review)]

Edward O'Callaghan has uploaded this change for review. ( https://review.coreboot.org/c/flashrom/+/47062 )

Change subject: search.c: Fix warnings
......................................................................

search.c: Fix warnings

Change-Id: I9f5e9e5a799a1d702381d48682b536e6d53331ad
Signed-off-by: Edward O'Callaghan 
---
M search.c
1 file changed, 5 insertions(+), 9 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/62/47062/1

diff --git a/search.c b/search.c
index 1a9f197..0801a14 100644
--- a/search.c
+++ b/search.c
@@ -79,19 +79,16 @@
    	search->state = SEARCH_STATE_USE_HANDLER;
    	search->stride = search->ceiling_size / 2;
    	search->offset = search->ceiling_size - search->stride;
-		/* no break */
+		/* fallthrough */
    case SEARCH_STATE_USE_HANDLER:
    	search->state = SEARCH_STATE_BINARY_SEARCH;
    	search->offset = search->ceiling_size - search->stride;
    	if (search->handler) {
    		ret = search->handler(search, offsetp);
-			if (!ret &&
-			    (*offsetp <
-			     (search->total_size - search->min_size)) &&
-			    (*offsetp >= 0))
+			if (!ret && ((size_t)*offsetp < (search->total_size - search->min_size)) && (*offsetp >= 0))
    			return 0;
    	}
-		/* no break */
+		/* fallthrough */
    case SEARCH_STATE_BINARY_SEARCH:
    	/*
    	* For efficient operation, we start with the largest stride
@@ -127,8 +124,7 @@
    	if (search->offset < 0) {
    		search->stride /= 2;
    		search->offset = search->ceiling_size - search->stride;
-			while (search->offset >
-			       (search->total_size - search->min_size))
+			while ((size_t)search->offset > (search->total_size - search->min_size))
    			search->offset -= search->stride;
    		if (search->stride < 16) {
    			search->state = SEARCH_STATE_FULL_SEARCH;
@@ -163,7 +159,7 @@
    	 */
    	do {
    		*offsetp = search->offset--;
-		} while (*offsetp > search->total_size - search->min_size);
+		} while ((size_t)*offsetp > search->total_size - search->min_size);
    	if (search->offset < 0)
    		search->state = SEARCH_STATE_DONE;
    	return 0;