Hello Dan, On 09/05/2012 08:32 PM, Dan Carpenter wrote: > Smatch complains about the inconsistent NULL checking here. Fix it to > return NULL on failure. > > Signed-off-by: Dan Carpenter <[email protected]>
Thanks for catching this. > --- > This is only needed in linux-next. > > diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c > index 2edfb5c..457db0c 100644 > --- a/drivers/block/virtio_blk.c > +++ b/drivers/block/virtio_blk.c > @@ -90,10 +90,11 @@ static inline struct virtblk_req > *virtblk_alloc_req(struct virtio_blk *vblk, > struct virtblk_req *vbr; > > vbr = mempool_alloc(vblk->pool, gfp_mask); > - if (vbr && use_bio) > - sg_init_table(vbr->sg, vblk->sg_elems); > + if (!vbr) > + return NULL; > > - vbr->vblk = vblk; The assignment of vbr->vblk is needed. > + if (use_bio) > + sg_init_table(vbr->sg, vblk->sg_elems); > > return vbr; > } -- Asias _______________________________________________ Virtualization mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/virtualization
