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-rw-r--r--lib/util/util.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/util/util.c b/lib/util/util.c
index 157a4aa9f2..562f7df2d5 100644
--- a/lib/util/util.c
+++ b/lib/util/util.c
@@ -732,7 +732,7 @@ _PUBLIC_ void dump_data_pw(const char *msg, const uint8_t * data, size_t len)
*/
_PUBLIC_ bool all_zero(const uint8_t *ptr, size_t size)
{
- int i;
+ size_t i;
if (!ptr) return true;
for (i=0;i<size;i++) {
if (ptr[i]) return false;