drivers/char/random.c: remove unused stuct poolinfo::poolbits

commit 3bd0b5bf7dc3ea02070fcbcd682ecf628269e8ef upstream.

This field is never used, might as well remove it.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/char/random.c b/drivers/char/random.c
index c35e03d0e2739ad7a71e92a4a1d91d01ac2c697e..b5a6437f5026cda59d002faac06792bd852ab281 100644 (file)
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -295,7 +295,7 @@
  * To allow fractional bits to be tracked, the entropy_count field is
  * denominated in units of 1/8th bits.
  *
- * 2*(ENTROPY_SHIFT + log2(poolbits)) must <= 31, or the multiply in
+ * 2*(ENTROPY_SHIFT + poolbitshift) must <= 31, or the multiply in
  * credit_entropy_bits() needs to be 64 bits wide.
  */
 #define ENTROPY_SHIFT 3
@@ -360,8 +360,8 @@ static int random_write_wakeup_bits = 28 * OUTPUT_POOL_WORDS;
  * irreducible, which we have made here.
  */
 static const struct poolinfo {
-       int poolbitshift, poolwords, poolbytes, poolbits, poolfracbits;
-#define S(x) ilog2(x)+5, (x), (x)*4, (x)*32, (x) << (ENTROPY_SHIFT+5)
+       int poolbitshift, poolwords, poolbytes, poolfracbits;
+#define S(x) ilog2(x)+5, (x), (x)*4, (x) << (ENTROPY_SHIFT+5)
        int tap1, tap2, tap3, tap4, tap5;
 } poolinfo_table[] = {
        /* was: x^128 + x^103 + x^76 + x^51 +x^25 + x + 1 */