- fix a off-by-one error in the buffer read/write code that checks for a address...

git-svn-id: svn://svn.berlios.de/openocd/trunk@957 b42882b7-edfa-0310-969c-e2dbd0fdcd60

diff --git a/src/target/target.c b/src/target/target.c
index 9f633ee1a74032ddc09994b6a9690dcd1fa9439e..d91928d1dc2d4cc17b4d812eeddad286e1dff7e1 100644 (file)
--- a/src/target/target.c
+++ b/src/target/target.c
@@ -870,7 +870,7 @@ int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buff
                return ERROR_FAIL;
        }
 
-       if (address+size<address)
+       if ((address + size - 1) < address)
        {
                /* GDB can request this when e.g. PC is 0xfffffffc*/
                LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
@@ -946,7 +946,7 @@ int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffe
                return ERROR_FAIL;
        }
 
-       if (address+size<address)
+       if ((address + size - 1) < address)
        {
                /* GDB can request this when e.g. PC is 0xfffffffc*/
                LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);