From: Tom Gundersen <teg@jklm.no>
Date: Sat, 22 Oct 2011 16:47:08 +0000 (+0200)
Subject: random-seed: convert poolsize from bits to bytes
X-Git-Tag: v38~218
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=7c2ec00930ce1f4aabfbb405d84b67eb9d065ef0

random-seed: convert poolsize from bits to bytes

The problem was first noted in a bug report against Arch's initscripts.

Reported-by: Taylan Ulrich Bayırlı <taylanbayirli@gmail.com>
Reported-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>
---

diff --git a/src/random-seed.c b/src/random-seed.c
index ee5cae315..0c63794b6 100644
--- a/src/random-seed.c
+++ b/src/random-seed.c
@@ -51,7 +51,11 @@ int main(int argc, char *argv[]) {
 
         /* Read pool size, if possible */
         if ((f = fopen("/proc/sys/kernel/random/poolsize", "re"))) {
-                fscanf(f, "%zu", &buf_size);
+                if (fscanf(f, "%zu", &buf_size) > 0) {
+                        /* poolsize is in bits on 2.6, but we want bytes */
+                        buf_size /= 8;
+                }
+
                 fclose(f);
         }