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sg_init_table() zeroes its first argument, so the allocation of that argument doesn't have to. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression x,n,flags; @@ x = - kcalloc + kmalloc_array (n,sizeof(*x),flags) ... sg_init_table(x,n) // </smpl> Link: https://lore.kernel.org/r/1600601186-7420-6-git-send-email-Julia.Lawall@inria.fr Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Acked-by: Gal Pressman <galpress@amazon.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>