X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Falloc%2Ftiny.c;h=d782899de3d0639c11bd67d6a54a7f42e1d04f60;hp=b965eb471b329f9ff4108513f0cf10a6796c8928;hb=27ae4a224e578362fc1f4effdaabac9f112f190f;hpb=bd294f1df2a9a2a97bf32336ddd22e53e0e0b8f7

diff --git a/ccan/alloc/tiny.c b/ccan/alloc/tiny.c
index b965eb47..d782899d 100755
--- a/ccan/alloc/tiny.c
+++ b/ccan/alloc/tiny.c
@@ -152,13 +152,13 @@ static bool long_enough(unsigned long offset, unsigned long len,
 
 static unsigned long find_free_end(unsigned char *arr, unsigned long arrsize)
 {
-	unsigned long end;
+	long i;
 
-	for (end = 0; end < arrsize; end++) {
-		if (!arr[end])
-			break;
+	for (i = arrsize-1; i >= 0; i--) {
+		if (arr[i])
+			return i + 1;
 	}
-	return end;
+	return 0;
 }
 
 void *tiny_alloc_get(void *pool, unsigned long poolsize,
@@ -186,7 +186,7 @@ void *tiny_alloc_get(void *pool, unsigned long poolsize,
 		if (long_enough(off, len, size, align)) {
 			/* Move every successive entry down. */
 			memmove(arr + fa_off, arr + fa_off + fa_hdrlen,
-				freelen - fa_hdrlen);
+				freelen - (fa_off + fa_hdrlen));
 			memset(arr + freelen - fa_hdrlen, 0, fa_hdrlen);
 			goto found;
 		}