random: clean up checkpatch complaints
Signed-off-by: Matt Mackall <mpm@selenic.com> Cc: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>hifive-unleashed-5.1
Matt Mackall
Linus Torvalds
parent
0302190411
commit
90b75ee546
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@ -272,7 +272,7 @@ static int random_write_wakeup_thresh = 128;
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static int trickle_thresh __read_mostly = INPUT_POOL_WORDS * 28;
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static DEFINE_PER_CPU(int, trickle_count) = 0;
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static DEFINE_PER_CPU(int, trickle_count);
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/*
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* A pool of size .poolwords is stirred with a primitive polynomial
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@ -372,15 +372,16 @@ static DECLARE_WAIT_QUEUE_HEAD(random_read_wait);
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static DECLARE_WAIT_QUEUE_HEAD(random_write_wait);
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#if 0
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static int debug = 0;
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static int debug;
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module_param(debug, bool, 0644);
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#define DEBUG_ENT(fmt, arg...) do { if (debug) \
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printk(KERN_DEBUG "random %04d %04d %04d: " \
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fmt,\
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input_pool.entropy_count,\
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blocking_pool.entropy_count,\
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nonblocking_pool.entropy_count,\
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## arg); } while (0)
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#define DEBUG_ENT(fmt, arg...) do { \
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if (debug) \
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printk(KERN_DEBUG "random %04d %04d %04d: " \
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fmt,\
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input_pool.entropy_count,\
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blocking_pool.entropy_count,\
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nonblocking_pool.entropy_count,\
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## arg); } while (0)
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#else
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#define DEBUG_ENT(fmt, arg...) do {} while (0)
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#endif
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@ -551,7 +552,7 @@ static void credit_entropy_store(struct entropy_store *r, int nbits)
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/* There is one of these per entropy source */
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struct timer_rand_state {
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cycles_t last_time;
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long last_delta,last_delta2;
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long last_delta, last_delta2;
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unsigned dont_count_entropy:1;
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};
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@ -624,7 +625,7 @@ static void add_timer_randomness(struct timer_rand_state *state, unsigned num)
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min_t(int, fls(delta>>1), 11));
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}
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if(input_pool.entropy_count >= random_read_wakeup_thresh)
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if (input_pool.entropy_count >= random_read_wakeup_thresh)
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wake_up_interruptible(&random_read_wait);
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out:
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@ -677,7 +678,7 @@ void add_disk_randomness(struct gendisk *disk)
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*
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*********************************************************************/
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static ssize_t extract_entropy(struct entropy_store *r, void * buf,
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static ssize_t extract_entropy(struct entropy_store *r, void *buf,
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size_t nbytes, int min, int rsvd);
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/*
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@ -704,8 +705,8 @@ static void xfer_secondary_pool(struct entropy_store *r, size_t nbytes)
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"(%d of %d requested)\n",
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r->name, bytes * 8, nbytes * 8, r->entropy_count);
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bytes=extract_entropy(r->pull, tmp, bytes,
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random_read_wakeup_thresh / 8, rsvd);
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bytes = extract_entropy(r->pull, tmp, bytes,
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random_read_wakeup_thresh / 8, rsvd);
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add_entropy_words(r, tmp, (bytes + 3) / 4);
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credit_entropy_store(r, bytes*8);
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}
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@ -744,7 +745,7 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min,
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if (r->limit && nbytes + reserved >= r->entropy_count / 8)
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nbytes = r->entropy_count/8 - reserved;
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if(r->entropy_count / 8 >= nbytes + reserved)
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if (r->entropy_count / 8 >= nbytes + reserved)
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r->entropy_count -= nbytes*8;
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else
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r->entropy_count = reserved;
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@ -802,7 +803,7 @@ static void extract_buf(struct entropy_store *r, __u8 *out)
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memset(buf, 0, sizeof(buf));
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}
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static ssize_t extract_entropy(struct entropy_store *r, void * buf,
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static ssize_t extract_entropy(struct entropy_store *r, void *buf,
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size_t nbytes, int min, int reserved)
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{
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ssize_t ret = 0, i;
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@ -872,7 +873,6 @@ void get_random_bytes(void *buf, int nbytes)
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{
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extract_entropy(&nonblocking_pool, buf, nbytes, 0, 0);
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}
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EXPORT_SYMBOL(get_random_bytes);
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/*
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@ -940,7 +940,7 @@ void rand_initialize_disk(struct gendisk *disk)
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#endif
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static ssize_t
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random_read(struct file * file, char __user * buf, size_t nbytes, loff_t *ppos)
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random_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos)
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{
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ssize_t n, retval = 0, count = 0;
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@ -1002,8 +1002,7 @@ random_read(struct file * file, char __user * buf, size_t nbytes, loff_t *ppos)
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}
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static ssize_t
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urandom_read(struct file * file, char __user * buf,
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size_t nbytes, loff_t *ppos)
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urandom_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos)
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{
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return extract_entropy_user(&nonblocking_pool, buf, nbytes);
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}
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@ -1045,9 +1044,8 @@ write_pool(struct entropy_store *r, const char __user *buffer, size_t count)
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return 0;
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}
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static ssize_t
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random_write(struct file * file, const char __user * buffer,
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size_t count, loff_t *ppos)
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static ssize_t random_write(struct file *file, const char __user *buffer,
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size_t count, loff_t *ppos)
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{
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size_t ret;
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struct inode *inode = file->f_path.dentry->d_inode;
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@ -1064,9 +1062,8 @@ random_write(struct file * file, const char __user * buffer,
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return (ssize_t)count;
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}
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static int
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random_ioctl(struct inode * inode, struct file * file,
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unsigned int cmd, unsigned long arg)
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static int random_ioctl(struct inode *inode, struct file *file,
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unsigned int cmd, unsigned long arg)
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{
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int size, ent_count;
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int __user *p = (int __user *)arg;
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@ -1157,7 +1154,6 @@ void generate_random_uuid(unsigned char uuid_out[16])
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/* Set the UUID variant to DCE */
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uuid_out[8] = (uuid_out[8] & 0x3F) | 0x80;
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}
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EXPORT_SYMBOL(generate_random_uuid);
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/********************************************************************
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@ -1339,7 +1335,7 @@ ctl_table random_table[] = {
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#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
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static __u32 twothirdsMD4Transform (__u32 const buf[4], __u32 const in[12])
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static __u32 twothirdsMD4Transform(__u32 const buf[4], __u32 const in[12])
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{
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__u32 a = buf[0], b = buf[1], c = buf[2], d = buf[3];
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@ -1487,8 +1483,8 @@ __u32 secure_tcpv6_sequence_number(__be32 *saddr, __be32 *daddr,
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*/
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memcpy(hash, saddr, 16);
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hash[4]=((__force u16)sport << 16) + (__force u16)dport;
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memcpy(&hash[5],keyptr->secret,sizeof(__u32) * 7);
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hash[4] = ((__force u16)sport << 16) + (__force u16)dport;
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memcpy(&hash[5], keyptr->secret, sizeof(__u32) * 7);
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seq = twothirdsMD4Transform((const __u32 *)daddr, hash) & HASH_MASK;
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seq += keyptr->count;
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@ -1538,10 +1534,10 @@ __u32 secure_tcp_sequence_number(__be32 saddr, __be32 daddr,
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* Note that the words are placed into the starting vector, which is
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* then mixed with a partial MD4 over random data.
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*/
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hash[0]=(__force u32)saddr;
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hash[1]=(__force u32)daddr;
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hash[2]=((__force u16)sport << 16) + (__force u16)dport;
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hash[3]=keyptr->secret[11];
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hash[0] = (__force u32)saddr;
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hash[1] = (__force u32)daddr;
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hash[2] = ((__force u16)sport << 16) + (__force u16)dport;
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hash[3] = keyptr->secret[11];
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seq = half_md4_transform(hash, keyptr->secret) & HASH_MASK;
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seq += keyptr->count;
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@ -1556,10 +1552,7 @@ __u32 secure_tcp_sequence_number(__be32 saddr, __be32 daddr,
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* Choosing a clock of 64 ns period is OK. (period of 274 s)
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*/
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seq += ktime_to_ns(ktime_get_real()) >> 6;
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#if 0
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printk("init_seq(%lx, %lx, %d, %d) = %d\n",
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saddr, daddr, sport, dport, seq);
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#endif
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return seq;
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}
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@ -1582,14 +1575,15 @@ u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport)
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}
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#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
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u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr, __be16 dport)
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u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr,
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__be16 dport)
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{
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struct keydata *keyptr = get_keyptr();
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u32 hash[12];
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memcpy(hash, saddr, 16);
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hash[4] = (__force u32)dport;
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memcpy(&hash[5],keyptr->secret,sizeof(__u32) * 7);
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memcpy(&hash[5], keyptr->secret, sizeof(__u32) * 7);
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return twothirdsMD4Transform((const __u32 *)daddr, hash);
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}
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@ -1617,13 +1611,9 @@ u64 secure_dccp_sequence_number(__be32 saddr, __be32 daddr,
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seq += ktime_to_ns(ktime_get_real());
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seq &= (1ull << 48) - 1;
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#if 0
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printk("dccp init_seq(%lx, %lx, %d, %d) = %d\n",
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saddr, daddr, sport, dport, seq);
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#endif
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return seq;
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}
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EXPORT_SYMBOL(secure_dccp_sequence_number);
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#endif
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