diff options
author | Joel Stanley <joel@jms.id.au> | 2016-11-21 02:38:38 +0300 |
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committer | Joel Stanley <joel@jms.id.au> | 2016-11-21 02:38:47 +0300 |
commit | c55cf1296a0429d91b940a49a59977617a4e4cb3 (patch) | |
tree | 11d7ae008a0ad5bfe4110966b6df7c44cff723fd /drivers/char/hw_random | |
parent | 5509e6ee766f6b910c3b81c02bae291fc1d9a806 (diff) | |
parent | 86429bd405de5741df4127096deae0b1d90b68f1 (diff) | |
download | linux-dev-4.4.tar.xz |
Merge tag 'v4.4.33' into dev-4.4openbmc-4.4-20161121-1dev-4.4
This is the 4.4.33 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'drivers/char/hw_random')
-rw-r--r-- | drivers/char/hw_random/core.c | 6 | ||||
-rw-r--r-- | drivers/char/hw_random/omap-rng.c | 4 |
2 files changed, 5 insertions, 5 deletions
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index 6f497aa1b276..cf25020576fa 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) diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c index 01d4be2c354b..f5c26a5f6875 100644 --- a/drivers/char/hw_random/omap-rng.c +++ b/drivers/char/hw_random/omap-rng.c @@ -385,7 +385,7 @@ static int omap_rng_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); ret = pm_runtime_get_sync(&pdev->dev); - if (ret) { + if (ret < 0) { dev_err(&pdev->dev, "Failed to runtime_get device: %d\n", ret); pm_runtime_put_noidle(&pdev->dev); goto err_ioremap; @@ -443,7 +443,7 @@ static int __maybe_unused omap_rng_resume(struct device *dev) int ret; ret = pm_runtime_get_sync(dev); - if (ret) { + if (ret < 0) { dev_err(dev, "Failed to runtime_get device: %d\n", ret); pm_runtime_put_noidle(dev); return ret; |