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

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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>
(cherry picked from commit 3bd0b5bf7dc3ea02070fcbcd682ecf628269e8ef)
Signed-off-by: Mark Salyzyn <salyzyn@google.com>
Bug: 148665638
Change-Id: I29de002717f8b600adb741e469fada15a9c0d25c
This commit is contained in:
Rasmus Villemoes 2018-11-02 12:04:46 +01:00 committed by Mark Salyzyn
parent 2bfadb401b
commit 53a9c08400
1 changed files with 3 additions and 3 deletions
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6
drivers/char/random.c
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@ -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 */