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Commit 18e9cea7 authored by Greg Price's avatar Greg Price Committed by Theodore Ts'o
Browse files

random: fix description of get_random_bytes 



After this remark was written, commit d2e7c96a added a use of
arch_get_random_long() inside the get_random_bytes codepath.
The main point stands, but it needs to be reworded.

Signed-off-by: default avatarGreg Price <price@mit.edu>
Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
parent f22052b2

drivers/char/random.c

+3 −2
Original line number Diff line number Diff line
@@ -1170,8 +1170,9 @@ static ssize_t extract_entropy_user(struct entropy_store *r, void __user *buf, 
/*

 * This function is the exported kernel interface.  It returns some

 * number of good random numbers, suitable for key generation, seeding

 * TCP sequence numbers, etc.  It does not use the hw random number

 * generator, if available; use get_random_bytes_arch() for that.

 * TCP sequence numbers, etc.  It does not rely on the hardware random

 * number generator.  For random bytes direct from the hardware RNG

 * (when available), use get_random_bytes_arch().

 */

void get_random_bytes(void *buf, int nbytes)

{