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authorLarry Johnson <lrj@acm.org>2010-04-20 08:09:43 -0400
committerWolfgang Denk <wd@denx.de>2010-05-06 00:38:06 +0200
commit54fa2c5b51c564cce716942d26492437457980a4 (patch)
tree63be71e6e7ddb2b08facb1ebc7376f1683a8fe03 /common/image.c
parentb050c72d52c4e30d5b978ab6758f8dcdbe5c690c (diff)
downloadu-boot-linaro-natty-54fa2c5b51c564cce716942d26492437457980a4.tar.gz
Move test for unnecessary memmove to memmove_wd()
Signed-off-by: Larry Johnson <lrj@acm.org>
Diffstat (limited to 'common/image.c')
-rw-r--r--common/image.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/common/image.c b/common/image.c
index 9e4971303..8d4be140f 100644
--- a/common/image.c
+++ b/common/image.c
@@ -450,6 +450,9 @@ phys_size_t getenv_bootm_size(void)
void memmove_wd (void *to, void *from, size_t len, ulong chunksz)
{
+ if (to == from)
+ return;
+
#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
while (len > 0) {
size_t tail = (len > chunksz) ? chunksz : len;