On 3/2/21 23:22, Kanchan Joshi wrote: > + if (!ioucmd) > + cptr = &c; > + else { > + /*for async - allocate cmd dynamically */ > + cptr = kmalloc(sizeof(struct nvme_command), GFP_KERNEL); > + if (!cptr) > + return -ENOMEM; > + } > + > + memset(cptr, 0, sizeof(c)); Why not kzalloc and remove memset() ?