From: Arnd Bergmann <a...@arndb.de> Date: Tue, 18 Oct 2016 00:16:09 +0200
> The hdr_offset variable is only if we deal with a TCP or UDP packet, > but as the check surrounding its usage tests for skb_is_gso() > instead, the compiler has no idea if the variable is initialized > or not at that point: > > drivers/net/hyperv/netvsc_drv.c: In function ‘netvsc_start_xmit’: > drivers/net/hyperv/netvsc_drv.c:494:42: error: ‘hdr_offset’ may be used > uninitialized in this function [-Werror=maybe-uninitialized] > > This adds an additional check for the transport type, which > tells the compiler that this path cannot happen. Since the > get_net_transport_info() function should always be inlined > here, I don't expect this to result in additional runtime > checks. > > Signed-off-by: Arnd Bergmann <a...@arndb.de> Applied.
