Author: Julia Lawall <julia@diku.dk> The variable num_group_tail_writes is initialized but never used otherwise. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // @@ type T; identifier i; constant C; @@ ( extern T i; | – T i; ) // Signed-off-by: Julia Lawall Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik — drivers/net/ixgb/ixgb_main.c | …