Author: Øyvind Harboe <oyvind.harboe@zylin.com>

	- Allow target_read/write_buffer of size 0

git-svn-id: svn://svn.berlios.de/openocd/trunk@1870 b42882b7-edfa-0310-969c-e2dbd0fdcd60

diff --git a/src/target/target.c b/src/target/target.c
index 7571e4e358fc763a2f8e2a8d83421c354a3cddf4..3bb2fa360ec1fc8e0c5eb8a487ee7c9e155f16b9 100644 (file)
--- a/src/target/target.c
+++ b/src/target/target.c
@@ -985,6 +985,10 @@ int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buff
                return ERROR_FAIL;
        }
 
+       if (size == 0) {
+               return ERROR_OK;
+       }
+
        if ((address + size - 1) < address)
        {
                /* GDB can request this when e.g. PC is 0xfffffffc*/
@@ -1060,6 +1064,10 @@ int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffe
                return ERROR_FAIL;
        }
 
+       if (size == 0) {
+               return ERROR_OK;
+       }
+
        if ((address + size - 1) < address)
        {
                /* GDB can request this when e.g. PC is 0xfffffffc*/