RE: [PATCH 2/3] staging/rdma/hfi1: check return value of kcalloc
From: Marciniszyn, Mike
Date: Mon Dec 14 2015 - 10:21:44 EST
> @@ -10129,6 +10129,9 @@ static void init_qos(struct hfi1_devdata *dd,
> u32 first_ctxt)
> if (num_vls * qpns_per_vl > dd->chip_rcv_contexts)
> goto bail;
> rsmmap = kcalloc(NUM_MAP_REGS, sizeof(u64), GFP_KERNEL);
> + if (!rsmmap)
> + goto bail;
> +
I checked out a linux-next remote at the next-20151214 tag.
The allocation method is clearly kmalloc_array() not kcalloc().
Where are you seeing the kcalloc()?
While it is tempting to allocate and zero, there is a chip rev specific difference.
Mike
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