linux-kernel - [3.13 PATCH 1/2] random: entropy

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Message-ID: <20131207022751.GY16018@ringworld.MIT.EDU>
Date:	Fri, 6 Dec 2013 21:27:52 -0500
From:	Greg Price <price@....EDU>
To:	"Theodore Ts'o" <tytso@....edu>
Cc:	linux-kernel@...r.kernel.org
Subject: [3.13 PATCH 1/2] random: entropy_bytes is actually bits

The variable 'entropy_bytes' is set from an expression that actually
counts bits.  Fortunately it's also only compared to values that also
count bits.  Rename it accordingly.

Signed-off-by: Greg Price <price@....edu>
---
 drivers/char/random.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/char/random.c b/drivers/char/random.c
index 429b75bb6..dc9b9af20 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -666,10 +666,10 @@ retry:
 				  r->entropy_total, _RET_IP_);
 
 	if (r == &input_pool) {
-		int entropy_bytes = entropy_count >> ENTROPY_SHIFT;
+		int entropy_bits = entropy_count >> ENTROPY_SHIFT;
 
 		/* should we wake readers? */
-		if (entropy_bytes >= random_read_wakeup_thresh) {
+		if (entropy_bits >= random_read_wakeup_thresh) {
 			wake_up_interruptible(&random_read_wait);
 			kill_fasync(&fasync, SIGIO, POLL_IN);
 		}
@@ -678,7 +678,7 @@ retry:
 		 * forth between them, until the output pools are 75%
 		 * full.
 		 */
-		if (entropy_bytes > random_write_wakeup_thresh &&
+		if (entropy_bits > random_write_wakeup_thresh &&
 		    r->initialized &&
 		    r->entropy_total >= 2*random_read_wakeup_thresh) {
 			static struct entropy_store *last = &blocking_pool;
-- 
1.8.3.2

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