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-rw-r--r--drivers/char/hw_random/core.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index a0f7724852eb..cf49f1c88f01 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -302,7 +302,6 @@ err_misc_dereg:
int hwrng_register(struct hwrng *rng)
{
- int must_register_misc;
int err = -EINVAL;
struct hwrng *old_rng, *tmp;
@@ -327,7 +326,6 @@ int hwrng_register(struct hwrng *rng)
goto out_unlock;
}
- must_register_misc = (current_rng == NULL);
old_rng = current_rng;
if (!old_rng) {
err = hwrng_init(rng);
@@ -336,13 +334,11 @@ int hwrng_register(struct hwrng *rng)
current_rng = rng;
}
err = 0;
- if (must_register_misc) {
+ if (!old_rng) {
err = register_miscdev();
if (err) {
- if (!old_rng) {
- hwrng_cleanup(rng);
- current_rng = NULL;
- }
+ hwrng_cleanup(rng);
+ current_rng = NULL;
goto out_unlock;
}
}