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Commit d114a333 authored by Tony Luck's avatar Tony Luck Committed by Theodore Ts'o
Browse files

dmi: Feed DMI table to /dev/random driver 



Send the entire DMI (SMBIOS) table to the /dev/random driver to
help seed its pools.

Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
parent cbc96b75

drivers/firmware/dmi_scan.c

+3 −0
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ 
#include <linux/dmi.h>

#include <linux/efi.h>

#include <linux/bootmem.h>

#include <linux/random.h>

#include <asm/dmi.h>



/*
@@ -111,6 +112,8 @@ static int __init dmi_walk_early(void (*decode)(const struct dmi_header *, 


	dmi_table(buf, dmi_len, dmi_num, decode, NULL);



	add_device_randomness(buf, dmi_len);



	dmi_iounmap(buf, dmi_len);

	return 0;

}