[git commit] udhcpc: fix a problem with binary-encoded options #2

[Denys Vlasenko]

commit: http://git.busybox.net/busybox/commit/?id=c133fa66f37d69efb0d2e10ad2e068564933d92c
branch: http://git.busybox.net/busybox/commit/?id=refs/heads/master

Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 networking/udhcp/common.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/networking/udhcp/common.c b/networking/udhcp/common.c
index ae0e0d3..9c27cd0 100644
--- a/networking/udhcp/common.c
+++ b/networking/udhcp/common.c
@@ -424,7 +424,7 @@ static NOINLINE void attach_option(
 				existing->data[OPT_DATA + old_len] = ' ';
 				old_len++;
 			}
-			memcpy(existing->data + OPT_DATA + old_len, buffer, length);
+			memcpy(existing->data + OPT_DATA + old_len, (allocated ? allocated : buffer), length);
 			existing->data[OPT_LEN] = old_len + length;
 		} /* else, ignore the data, we could put this in a second option in the future */
 	} /* else, ignore the new data */