diff options
| author | Tony Luck <tony.luck@intel.com> | 2012-07-20 13:15:20 -0700 |
|---|---|---|
| committer | Willy Tarreau <w@1wt.eu> | 2012-10-07 23:41:23 +0200 |
| commit | 9eee5ee58eb31de674689184b49e2ba810124227 (patch) | |
| tree | a1b9110397d8b3a299a0f14453c614b2c06c2c7e | |
| parent | 708daa15c3eb2e056c06a48bc2115eda46a777f0 (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>
Signed-off-by: Willy Tarreau <w@1wt.eu>
| -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 3a2ccb09e2f8..10a4246c7a6a 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -6,6 +6,7 @@ #include <linux/efi.h> #include <linux/bootmem.h> #include <linux/slab.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; } |