[PATCH] hwrng: fix geode probe error unwind

The geode hwrng leaks an iomapped resource, if hwrng_register() fails.
This fixes it.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/char/hw_random/geode-rng.c b/drivers/char/hw_random/geode-rng.c
index be61f22ee7bb..d37ced0d132b 100644
--- a/drivers/char/hw_random/geode-rng.c
+++ b/drivers/char/hw_random/geode-rng.c
@@ -107,10 +107,14 @@ found:
         if (err) {
                 printk(KERN_ERR PFX "RNG registering failed (%d)\n",
                        err);
-                goto out;
+                goto err_unmap;
         }
 out:
         return err;
+
+err_unmap:
+        iounmap(mem);
+        goto out;
 }
 
 static void __exit mod_exit(void)