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authorGreg Price <price@MIT.EDU>2013-11-29 14:59:45 -0500
committerTheodore Ts'o <tytso@mit.edu>2014-03-19 22:18:50 -0400
commit18e9cea74951b64282964f9625db94c5d5a007bd (patch)
tree267e8765b7704d2495e57996cc8d057aa757bcb0 /drivers/char
parentf22052b2025b78475a60dbe01b66b3120f4faefa (diff)
random: fix description of get_random_bytes
After this remark was written, commit d2e7c96af 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: Greg Price <price@mit.edu> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/random.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/char/random.c b/drivers/char/random.c
index f0eea5fdc1b..fcda7d3937e 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -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)
{