random: fix typos / spelling errors in comments

Signed-off-by: NGreg Price <price@mit.edu>
Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>

drivers/char/random.c

@@ -305,7 +305,7 @@ static int random_read_wakeup_thresh = 64;
 static int random_write_wakeup_thresh = 28 * OUTPUT_POOL_WORDS;
 
 /*
- * The minimum number of seconds between urandom pool resending.  We
+ * The minimum number of seconds between urandom pool reseeding.  We
  * do this to limit the amount of entropy that can be drained from the
  * input pool even if there are heavy demands on /dev/urandom.
  */
@@ -322,7 +322,7 @@ static int random_min_urandom_seed = 60;
  * Register.  (See M. Matsumoto & Y. Kurita, 1992.  Twisted GFSR
  * generators.  ACM Transactions on Modeling and Computer Simulation
  * 2(3):179-194.  Also see M. Matsumoto & Y. Kurita, 1994.  Twisted
- * GFSR generators II.  ACM Transactions on Mdeling and Computer
+ * GFSR generators II.  ACM Transactions on Modeling and Computer
  * Simulation 4:254-266)
  *
  * Thanks to Colin Plumb for suggesting this.
@@ -1036,7 +1036,7 @@ static void extract_buf(struct entropy_store *r, __u8 *out)
 		sha_transform(hash.w, (__u8 *)(r->pool + i), workspace);
 
 	/*
-	 * If we have a architectural hardware random number
+	 * If we have an architectural hardware random number
 	 * generator, mix that in, too.
 	 */
 	for (i = 0; i < LONGS(20); i++) {