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random: make consistent use of buf and len

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commit a19402634c435a4eae226df53c141cdbb9922e7b upstream.

The current code was a mix of "nbytes", "count", "size", "buffer", "in",
and so forth. Instead, let's clean this up by naming input parameters
"buf" (or "ubuf") and "len", so that you always understand that you're
reading this variety of function argument.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jason A. Donenfeld
2022-05-13 13:18:46 +02:00
committed by Greg Kroah-Hartman
parent 33783ca355
commit 02102b63bd
2 changed files with 99 additions and 104 deletions
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10
include/linux/random.h
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@@ -12,12 +12,12 @@
struct notifier_block;
void add_device_randomness(const void *, size_t);
void add_bootloader_randomness(const void *, size_t);
void add_device_randomness(const void *buf, size_t len);
void add_bootloader_randomness(const void *buf, size_t len);
void add_input_randomness(unsigned int type, unsigned int code,
unsigned int value) __latent_entropy;
void add_interrupt_randomness(int irq) __latent_entropy;
void add_hwgenerator_randomness(const void *buffer, size_t count, size_t entropy);
void add_hwgenerator_randomness(const void *buf, size_t len, size_t entropy);
#if defined(LATENT_ENTROPY_PLUGIN) && !defined(__CHECKER__)
static inline void add_latent_entropy(void)
@@ -28,8 +28,8 @@ static inline void add_latent_entropy(void)
static inline void add_latent_entropy(void) { }
#endif
void get_random_bytes(void *buf, size_t nbytes);
size_t __must_check get_random_bytes_arch(void *buf, size_t nbytes);
void get_random_bytes(void *buf, size_t len);
size_t __must_check get_random_bytes_arch(void *buf, size_t len);
u32 get_random_u32(void);
u64 get_random_u64(void);
static inline unsigned int get_random_int(void)