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author | Corentin LABBE <clabbe.montjoie@gmail.com> | 2016-08-26 11:11:33 (GMT) |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-08-31 15:00:45 (GMT) |
commit | fdec60d683568c8e79457c106fa6642ca7ae95f3 (patch) | |
tree | 2ba14cbed6c5f24686fdae9112b51fa2f15f5e2d /drivers/char/hw_random | |
parent | 055ae890388ad2b02a53d5c3e1f60f976989e34e (diff) | |
download | linux-fdec60d683568c8e79457c106fa6642ca7ae95f3.tar.xz |
hwrng: amd - release_region must be called after hwrng_unregister
The driver release the memory region before being sure that nobody use
it.
This patch made hwrng_unregister ran before any release was done.
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/char/hw_random')
-rw-r--r-- | drivers/char/hw_random/amd-rng.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/char/hw_random/amd-rng.c b/drivers/char/hw_random/amd-rng.c index de82fe3..383e197 100644 --- a/drivers/char/hw_random/amd-rng.c +++ b/drivers/char/hw_random/amd-rng.c @@ -151,8 +151,9 @@ static void __exit mod_exit(void) { u32 pmbase = (unsigned long)amd_rng.priv; - release_region(pmbase + 0xF0, 8); hwrng_unregister(&amd_rng); + + release_region(pmbase + 0xF0, 8); } module_init(mod_init); |