diff options
author | Tony Luck <tony.luck@intel.com> | 2012-07-20 13:15:20 -0700 |
---|---|---|
committer | Ben Hutchings <ben@decadent.org.uk> | 2012-09-12 03:37:30 +0100 |
commit | d9033bcc75a39d79411c722502665ccaab0dd4d6 (patch) | |
tree | 4013290520faefc61eabfaf3521492f29b5868de /drivers/firmware/dmi_scan.c | |
parent | 86946487268d34e8c057e498ab01b03cc085874f (diff) |
dmi: Feed DMI table to /dev/random driver
commit d114a33387472555188f142ed8e98acdb8181c6d upstream.
Send the entire DMI (SMBIOS) table to the /dev/random driver to
help seed its pools.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'drivers/firmware/dmi_scan.c')
-rw-r--r-- | drivers/firmware/dmi_scan.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index 153980be4ee6..b298158cb922 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -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; } |