From: karl.beldan@gmail.com <karl.beldan@gmail.com>
Date: Tue, 6 Apr 2010 20:18:08 +0000 (+0200)
Subject: malloc: sbrk() should return MORECORE_FAILURE instead of NULL on failure
X-Git-Tag: v2010.06-rc1~112
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=ae30b8c200dc071d719ad649d0bf5635d61754f3;p=oweals%2Fu-boot.git

malloc: sbrk() should return MORECORE_FAILURE instead of NULL on failure

Signed-off-by: Karl Beldan <karl.beldan@gmail.com>
---

diff --git a/common/dlmalloc.c b/common/dlmalloc.c
index 205fc40ac8..2276532da7 100644
--- a/common/dlmalloc.c
+++ b/common/dlmalloc.c
@@ -1515,7 +1515,7 @@ void *sbrk(ptrdiff_t increment)
 	ulong new = old + increment;
 
 	if ((new < mem_malloc_start) || (new > mem_malloc_end))
-		return NULL;
+		return (void *)MORECORE_FAILURE;
 
 	mem_malloc_brk = new;