[Xen-devel] [PATCH 19/21] treewide: add checks for the return value of memblock_alloc*()

Juergen Gross jgross at suse.com
Thu Jan 17 01:32:03 AEDT 2019


On 16/01/2019 14:44, Mike Rapoport wrote:
> Add check for the return value of memblock_alloc*() functions and call
> panic() in case of error.
> The panic message repeats the one used by panicing memblock allocators with
> adjustment of parameters to include only relevant ones.
> 
> The replacement was mostly automated with semantic patches like the one
> below with manual massaging of format strings.
> 
> @@
> expression ptr, size, align;
> @@
> ptr = memblock_alloc(size, align);
> + if (!ptr)
> + 	panic("%s: Failed to allocate %lu bytes align=0x%lx\n", __func__,
> size, align);
> 
> Signed-off-by: Mike Rapoport <rppt at linux.ibm.com>

For the Xen part:

Reviewed-by: Juergen Gross <jgross at suse.com>


Juergen


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