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Prevent to initialise backends twice.

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git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@414 36d66b0a-2a48-0410-832c-cd162a569da5
This commit is contained in:
Milan Broz
2011-01-16 10:38:55 +00:00
parent 9da29e8759
commit f48c312fc7
6 changed files with 43 additions and 5 deletions
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3
lib/random.c
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@@ -144,6 +144,9 @@ static int _get_random(struct crypt_device *ctx, char *buf, size_t len)
/* Initialisation of both RNG file descriptors is mandatory */
int crypt_random_init(struct crypt_device *ctx)
{
if (random_initialised)
return 0;
/* Used for CRYPT_RND_NORMAL */
if(urandom_fd == -1)
urandom_fd = open(URANDOM_DEVICE, O_RDONLY);