forked from luck/tmp_suning_uos_patched
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: Tony Luck <tony.luck@intel.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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@ -6,6 +6,7 @@
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#include <linux/dmi.h>
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#include <linux/efi.h>
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#include <linux/bootmem.h>
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#include <linux/random.h>
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#include <asm/dmi.h>
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/*
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@ -111,6 +112,8 @@ static int __init dmi_walk_early(void (*decode)(const struct dmi_header *,
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dmi_table(buf, dmi_len, dmi_num, decode, NULL);
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add_device_randomness(buf, dmi_len);
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dmi_iounmap(buf, dmi_len);
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return 0;
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}
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