Messages in this thread Patch in this message | | | Subject | [PATCH 01 of 12] random: clean up checkpatch complaints | Date | Thu, 17 Jan 2008 20:33:43 -0600 | From | Matt Mackall <> |
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Signed-off-by: Matt Mackall <mpm@selenic.com>
diff -r 5595adaea70f -r 905475c480bd drivers/char/random.c --- a/drivers/char/random.c Thu Jan 17 13:26:54 2008 -0600 +++ b/drivers/char/random.c Thu Jan 17 20:25:23 2008 -0600 @@ -272,7 +272,7 @@ static int trickle_thresh __read_mostly = INPUT_POOL_WORDS * 28; -static DEFINE_PER_CPU(int, trickle_count) = 0; +static DEFINE_PER_CPU(int, trickle_count); /* * A pool of size .poolwords is stirred with a primitive polynomial @@ -372,15 +372,16 @@ static DECLARE_WAIT_QUEUE_HEAD(random_write_wait); #if 0 -static int debug = 0; +static int debug; module_param(debug, bool, 0644); -#define DEBUG_ENT(fmt, arg...) do { if (debug) \ - printk(KERN_DEBUG "random %04d %04d %04d: " \ - fmt,\ - input_pool.entropy_count,\ - blocking_pool.entropy_count,\ - nonblocking_pool.entropy_count,\ - ## arg); } while (0) +#define DEBUG_ENT(fmt, arg...) do { \ + if (debug) \ + printk(KERN_DEBUG "random %04d %04d %04d: " \ + fmt,\ + input_pool.entropy_count,\ + blocking_pool.entropy_count,\ + nonblocking_pool.entropy_count,\ + ## arg); } while (0) #else #define DEBUG_ENT(fmt, arg...) do {} while (0) #endif @@ -551,7 +552,7 @@ /* There is one of these per entropy source */ struct timer_rand_state { cycles_t last_time; - long last_delta,last_delta2; + long last_delta, last_delta2; unsigned dont_count_entropy:1; }; @@ -624,7 +625,7 @@ min_t(int, fls(delta>>1), 11)); } - if(input_pool.entropy_count >= random_read_wakeup_thresh) + if (input_pool.entropy_count >= random_read_wakeup_thresh) wake_up_interruptible(&random_read_wait); out: @@ -667,7 +668,6 @@ add_timer_randomness(disk->random, 0x100 + MKDEV(disk->major, disk->first_minor)); } - EXPORT_SYMBOL(add_disk_randomness); #endif @@ -679,7 +679,7 @@ * *********************************************************************/ -static ssize_t extract_entropy(struct entropy_store *r, void * buf, +static ssize_t extract_entropy(struct entropy_store *r, void *buf, size_t nbytes, int min, int rsvd); /* @@ -706,8 +706,8 @@ "(%d of %d requested)\n", r->name, bytes * 8, nbytes * 8, r->entropy_count); - bytes=extract_entropy(r->pull, tmp, bytes, - random_read_wakeup_thresh / 8, rsvd); + bytes = extract_entropy(r->pull, tmp, bytes, + random_read_wakeup_thresh / 8, rsvd); add_entropy_words(r, tmp, (bytes + 3) / 4); credit_entropy_store(r, bytes*8); } @@ -746,7 +746,7 @@ if (r->limit && nbytes + reserved >= r->entropy_count / 8) nbytes = r->entropy_count/8 - reserved; - if(r->entropy_count / 8 >= nbytes + reserved) + if (r->entropy_count / 8 >= nbytes + reserved) r->entropy_count -= nbytes*8; else r->entropy_count = reserved; @@ -804,7 +804,7 @@ memset(buf, 0, sizeof(buf)); } -static ssize_t extract_entropy(struct entropy_store *r, void * buf, +static ssize_t extract_entropy(struct entropy_store *r, void *buf, size_t nbytes, int min, int reserved) { ssize_t ret = 0, i; @@ -874,7 +874,6 @@ { extract_entropy(&nonblocking_pool, buf, nbytes, 0, 0); } - EXPORT_SYMBOL(get_random_bytes); /* @@ -942,7 +941,7 @@ #endif static ssize_t -random_read(struct file * file, char __user * buf, size_t nbytes, loff_t *ppos) +random_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos) { ssize_t n, retval = 0, count = 0; @@ -1004,8 +1003,7 @@ } static ssize_t -urandom_read(struct file * file, char __user * buf, - size_t nbytes, loff_t *ppos) +urandom_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos) { return extract_entropy_user(&nonblocking_pool, buf, nbytes); } @@ -1047,9 +1045,8 @@ return 0; } -static ssize_t -random_write(struct file * file, const char __user * buffer, - size_t count, loff_t *ppos) +static ssize_t random_write(struct file *file, const char __user *buffer, + size_t count, loff_t *ppos) { size_t ret; struct inode *inode = file->f_path.dentry->d_inode; @@ -1066,9 +1063,8 @@ return (ssize_t)count; } -static int -random_ioctl(struct inode * inode, struct file * file, - unsigned int cmd, unsigned long arg) +static int random_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) { int size, ent_count; int __user *p = (int __user *)arg; @@ -1159,7 +1155,6 @@ /* Set the UUID variant to DCE */ uuid_out[8] = (uuid_out[8] & 0x3F) | 0x80; } - EXPORT_SYMBOL(generate_random_uuid); /******************************************************************** @@ -1334,14 +1329,14 @@ * Rotation is separate from addition to prevent recomputation */ #define ROUND(f, a, b, c, d, x, s) \ - (a += f(b, c, d) + x, a = (a << s) | (a >> (32 - s))) + (a += f(b, c, d) + in[x], a = (a << s) | (a >> (32 - s))) #define K1 0 #define K2 013240474631UL #define K3 015666365641UL #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) -static __u32 twothirdsMD4Transform (__u32 const buf[4], __u32 const in[12]) +static __u32 twothirdsMD4Transform(__u32 const buf[4], __u32 const in[12]) { __u32 a = buf[0], b = buf[1], c = buf[2], d = buf[3]; @@ -1489,8 +1484,8 @@ */ memcpy(hash, saddr, 16); - hash[4]=((__force u16)sport << 16) + (__force u16)dport; - memcpy(&hash[5],keyptr->secret,sizeof(__u32) * 7); + hash[4] = ((__force u16)sport << 16) + (__force u16)dport; + memcpy(&hash[5], keyptr->secret, sizeof(__u32) * 7); seq = twothirdsMD4Transform((const __u32 *)daddr, hash) & HASH_MASK; seq += keyptr->count; @@ -1540,10 +1535,10 @@ * Note that the words are placed into the starting vector, which is * then mixed with a partial MD4 over random data. */ - hash[0]=(__force u32)saddr; - hash[1]=(__force u32)daddr; - hash[2]=((__force u16)sport << 16) + (__force u16)dport; - hash[3]=keyptr->secret[11]; + hash[0] = (__force u32)saddr; + hash[1] = (__force u32)daddr; + hash[2] = ((__force u16)sport << 16) + (__force u16)dport; + hash[3] = keyptr->secret[11]; seq = half_md4_transform(hash, keyptr->secret) & HASH_MASK; seq += keyptr->count; @@ -1558,10 +1553,7 @@ * Choosing a clock of 64 ns period is OK. (period of 274 s) */ seq += ktime_to_ns(ktime_get_real()) >> 6; -#if 0 - printk("init_seq(%lx, %lx, %d, %d) = %d\n", - saddr, daddr, sport, dport, seq); -#endif + return seq; } @@ -1584,14 +1576,15 @@ } #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) -u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr, __be16 dport) +u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr, + __be16 dport) { struct keydata *keyptr = get_keyptr(); u32 hash[12]; memcpy(hash, saddr, 16); hash[4] = (__force u32)dport; - memcpy(&hash[5],keyptr->secret,sizeof(__u32) * 7); + memcpy(&hash[5], keyptr->secret, sizeof(__u32) * 7); return twothirdsMD4Transform((const __u32 *)daddr, hash); } @@ -1619,13 +1612,9 @@ seq += ktime_to_ns(ktime_get_real()); seq &= (1ull << 48) - 1; -#if 0 - printk("dccp init_seq(%lx, %lx, %d, %d) = %d\n", - saddr, daddr, sport, dport, seq); -#endif + return seq; } - EXPORT_SYMBOL(secure_dccp_sequence_number); #endif
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