kern/hash: update from upstream

1 files changed, 7 insertions, 2 deletions

diff --git a/kern/hash.h b/kern/hash.h
index db39996..666f10d 100644
--- a/kern/hash.h
+++ b/kern/hash.h
@@ -41,7 +41,6 @@
 
 #include <assert.h>
 #include <stdint.h>
-#include <string.h>
 
 #ifdef __LP64__
 #define HASH_ALLBITS 64
@@ -101,7 +100,13 @@ hash_str(const char *str, unsigned int bits)
     unsigned long hash;
     char c;
 
-    for (hash = 0; (c = *str) != '\0'; str++) {
+    for (hash = 0; /* no condition */; str++) {
+        c = *str;
+
+        if (c == '\0') {
+            break;
+        }
+
         hash = ((hash << 5) - hash) + c;
     }