[CRYPTO] tcrypt: Return -EAGAIN from module_init()

Intentionaly return -EAGAIN from module_init() to ensure
it doesn't stay loaded in the kernel.  The module does all
its work from init() and doesn't offer any runtime
functionality => we don't need it in the memory, do we?

Signed-off-by: Michal Ludvig <michal@logix.cz>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 8 insertions, 1 deletions

diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index 49e344f00806..7bf93c5decfe 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -1113,7 +1113,14 @@ static int __init init(void)
 
         kfree(xbuf);
         kfree(tvmem);
-        return 0;
+
+        /* We intentionaly return -EAGAIN to prevent keeping
+         * the module. It does all its work from init()
+         * and doesn't offer any runtime functionality 
+         * => we don't need it in the memory, do we?
+         *                                        -- mludvig
+         */
+        return -EAGAIN;
 }
 
 /*