[git commit master 1/1] remove some dead assignments, add a TODO comment

[Denys Vlasenko]

commit: http://git.busybox.net/busybox/commit/?id=243d1757d798a0cd43f51eb1db75cc1e81c65732
branch: http://git.busybox.net/busybox/commit/?id=refs/heads/master

Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 archival/libunarchive/data_extract_all.c |    1 +
 editors/vi.c                             |    1 -
 networking/udhcp/dhcprelay.c             |    3 +--
 3 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/archival/libunarchive/data_extract_all.c b/archival/libunarchive/data_extract_all.c
index c4ffe7e..00e67d4 100644
--- a/archival/libunarchive/data_extract_all.c
+++ b/archival/libunarchive/data_extract_all.c
@@ -127,6 +127,7 @@ void FAST_FUNC data_extract_all(archive_handle_t *archive_handle)
 		break;
 	case S_IFLNK:
 		/* Symlink */
+//TODO: what if file_header->link_target == NULL (say, corrupted tarball?)
 		res = symlink(file_header->link_target, file_header->name);
 		if ((res == -1)
 		 && !(archive_handle->ah_flags & ARCHIVE_EXTRACT_QUIET)
diff --git a/editors/vi.c b/editors/vi.c
index 9b050e1..0f412c3 100644
--- a/editors/vi.c
+++ b/editors/vi.c
@@ -2385,7 +2385,6 @@ static int file_write(char *fn, char *first, char *last)
 		status_line_bold("No current filename");
 		return -2;
 	}
-	charcnt = 0;
 	/* By popular request we do not open file with O_TRUNC,
 	 * but instead ftruncate() it _after_ successful write.
 	 * Might reduce amount of data lost on power fail etc.
diff --git a/networking/udhcp/dhcprelay.c b/networking/udhcp/dhcprelay.c
index e14325d..d194a98 100644
--- a/networking/udhcp/dhcprelay.c
+++ b/networking/udhcp/dhcprelay.c
@@ -175,7 +175,6 @@ static void pass_to_server(struct dhcp_packet *p, int packet_len, int client, in
 			struct sockaddr_in *client_addr, struct sockaddr_in *server_addr)
 {
 	int res, type;
-	struct xid_item *item;
 
 	/* check packet_type */
 	type = get_dhcp_packet_type(p);
@@ -187,7 +186,7 @@ static void pass_to_server(struct dhcp_packet *p, int packet_len, int client, in
 	}
 
 	/* create new xid entry */
-	item = xid_add(p->xid, client_addr, client);
+	xid_add(p->xid, client_addr, client);
 
 	/* forward request to LAN (server) */
 	errno = 0;
-- 
1.7.1