diff options
| author | Tony Luck <tony.luck@intel.com> | 2012-07-20 13:15:20 -0700 |
|---|---|---|
| committer | Paul Gortmaker <paul.gortmaker@windriver.com> | 2012-08-17 15:36:11 -0400 |
| commit | 201095fcd2b848cd22711f9a58d1ffd0c9f3e458 (patch) | |
| tree | 10f63030f1980052b473bddf063727c1882f40fa | |
| parent | 3c3c74c6f281415dddd68a645d89dde2f0d9eadd (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: Paul Gortmaker <paul.gortmaker@windriver.com>
| -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 d4646727134..1816d928f74 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -5,6 +5,7 @@ #include <linux/dmi.h> #include <linux/efi.h> #include <linux/bootmem.h> +#include <linux/random.h> #include <asm/dmi.h> /* @@ -110,6 +111,8 @@ 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; } |