From: Tomas Carnecky <tom@dbservice.com>
Date: Thu, 28 Aug 2008 22:43:19 +0000 (+0200)
Subject: Fix drm_realloc when you're reallocing into something smaller.
X-Git-Tag: submit/1.0/20121108.012404~732
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b460aeec3ea817540e43c8215f2cdf432c957289;p=profile%2Fivi%2Flibdrm.git

Fix drm_realloc when you're reallocing into something smaller.
---

diff --git a/bsd-core/drm_memory.c b/bsd-core/drm_memory.c
index 05343f3..8089140 100644
--- a/bsd-core/drm_memory.c
+++ b/bsd-core/drm_memory.c
@@ -69,7 +69,7 @@ void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area)
 	if (pt == NULL)
 		return NULL;
 	if (oldpt && oldsize) {
-		memcpy(pt, oldpt, oldsize);
+		memcpy(pt, oldpt, DRM_MIN(oldsize,size));
 		free(oldpt, M_DRM);
 	}
 	return pt;
diff --git a/linux-core/drm_memory.c b/linux-core/drm_memory.c
index b90fc02..d1a88c8 100644
--- a/linux-core/drm_memory.c
+++ b/linux-core/drm_memory.c
@@ -183,7 +183,7 @@ void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area)
 	if (!(pt = kmalloc(size, GFP_KERNEL)))
 		return NULL;
 	if (oldpt && oldsize) {
-		memcpy(pt, oldpt, oldsize);
+		memcpy(pt, oldpt, DRM_MIN(oldsize,size));
 		kfree(oldpt);
 	}
 	return pt;