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@xxxxxxxxx> --- drivers/char/hw_random/amd-rng.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) 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); -- 2.7.3 -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html