Hi Jens, These patches are what I came up with after having reviewed the nbd source code. Please consider these patches for the next merge window. Thanks, Bart. Bart Van Assche (5): nbd: Use NULL to represent a pointer nbd: Remove superfluous casts nbd: Improve the documentation of the locking assumptions nbd: Remove a local variable from nbd_send_cmd() nbd: Fix signal handling drivers/block/nbd.c | 41 ++++++++++++++++++++------------------ include/trace/events/nbd.h | 2 +- 2 files changed, 23 insertions(+), 20 deletions(-)