Em Thu, 10 Oct 2019 20:25:12 +
Robert Richter escreveu:
> No need to crash the system in case edac_mc_alloc() is called with
> invalid arguments, just warn and return. This would cause a checkpatch
> warning when touching the code later, so just fix it.
>
> Signed-off-by: Robert Richter
Reviewed-by: Mauro Carvalho Chehab
> ---
> drivers/edac/edac_mc.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
> index c5240bb4c6c0..f2cbca77bc50 100644
> --- a/drivers/edac/edac_mc.c
> +++ b/drivers/edac/edac_mc.c
> @@ -323,7 +323,9 @@ struct mem_ctl_info *edac_mc_alloc(unsigned int mc_num,
> int i, j, row, chn, n, len;
> bool per_rank = false;
>
> - BUG_ON(n_layers > EDAC_MAX_LAYERS || n_layers == 0);
> + if (WARN_ON(n_layers > EDAC_MAX_LAYERS || n_layers == 0))
> + return NULL;
> +
> /*
>* Calculate the total amount of dimms and csrows/cschannels while
>* in the old API emulation mode
Thanks,
Mauro