From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> Date: Thu, 23 Apr 2009 16:38:47 +1000 > Today's linux-next build (powerpc allyesconfig gcc4.4.0) produced these > warnings: > > drivers/net/virtio_net.c: In function 'virnet_vlan_rx_add_vid': > include/linux/scatterlist.h:57: warning: 'sg' is used uninitialized in this function > drivers/net/virtio_net.c:746: note: 'sg' was declared here > drivers/net/virtio_net.c: In function 'virnet_vlan_rx_kill_vid': > include/linux/scatterlist.h:57: warning: 'sg' is used uninitialized in this function > drivers/net/virtio_net.c:758: note: 'sg' was declared here > > in each case, sg is uninitialised when its address is passed to > sg_set_buf() which passes it to gs_set_page() which passes it to > sg_assign_page() which dereferences it (to use ->page_link). I wonder if this is a side effect of changes that went in via Rusty's tree? I don't remember touching this driver in a while. -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
