diff options
| author | Olof Johansson <olof@lixom.net> | 2016-11-17 17:46:45 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2016-11-17 17:46:45 -0800 |
| commit | a23ea95789eedb0c386a26f02ea5483bae38b67b (patch) | |
| tree | 7d2f20bc3e59941c3683046a8c5a87c3683338c7 /drivers/char/hw_random/core.c | |
| parent | cb7f3a3e11c6e914d03146ff69c39d3e52651cd6 (diff) | |
| parent | a909d3e636995ba7c349e2ca5dbb528154d4ac30 (diff) | |
Merge tag 'v4.9-rc3' into next/dt64
Linux 4.9-rc3
* tag 'v4.9-rc3': (292 commits)
Linux 4.9-rc3
x86/smpboot: Init apic mapping before usage
ACPICA: Dispatcher: Fix interpreter locking around acpi_ev_initialize_region()
ACPICA: Dispatcher: Fix an unbalanced lock exit path in acpi_ds_auto_serialize_method()
ACPICA: Dispatcher: Fix order issue of method termination
ARC: module: print pretty section names
ARC: module: elide loop to save reference to .eh_frame
ARC: mm: retire ARC_DBG_TLB_MISS_COUNT...
ARC: build: retire old toggles
ARC: boot log: refactor cpu name/release printing
ARC: boot log: remove awkward space comma from MMU line
ARC: boot log: don't assume SWAPE instruction support
ARC: boot log: refactor printing abt features not captured in BCRs
ARCv2: boot log: print IOC exists as well as enabled status
ubifs: Fix regression in ubifs_readdir()
ubi: fastmap: Fix add_vol() return value test in ubi_attach_fastmap()
MAINTAINERS: Add entry for genwqe driver
VMCI: Doorbell create and destroy fixes
GenWQE: Fix bad page access during abort of resource allocation
vme: vme_get_size potentially returning incorrect value on failure
...
Diffstat (limited to 'drivers/char/hw_random/core.c')
| -rw-r--r-- | drivers/char/hw_random/core.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index 482794526e8c..d2d2c89de5b4 100644 --- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -84,14 +84,14 @@ static size_t rng_buffer_size(void) static void add_early_randomness(struct hwrng *rng) { - unsigned char bytes[16]; int bytes_read; + size_t size = min_t(size_t, 16, rng_buffer_size()); mutex_lock(&reading_mutex); - bytes_read = rng_get_data(rng, bytes, sizeof(bytes), 1); + bytes_read = rng_get_data(rng, rng_buffer, size, 1); mutex_unlock(&reading_mutex); if (bytes_read > 0) - add_device_randomness(bytes, bytes_read); + add_device_randomness(rng_buffer, bytes_read); } static inline void cleanup_rng(struct kref *kref) |