mirror of https://gitee.com/openkylin/linux.git
staging: android: Correct coding style in logger.c
Correct intent and missing space Signed-off-by: Guillaume Vercoutere <gvercoutere@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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0541cdf585
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@ -63,7 +63,6 @@ struct logger_log {
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static LIST_HEAD(log_list);
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/**
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* struct logger_reader - a logging device open for reading
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* @log: The associated log
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@ -89,7 +88,6 @@ static size_t logger_offset(struct logger_log *log, size_t n)
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return n & (log->size - 1);
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}
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/*
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* file_get_log - Given a file structure, return the associated log
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*
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@ -122,14 +120,15 @@ static inline struct logger_log *file_get_log(struct file *file)
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* the log entry spans the end and beginning of the circular buffer.
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*/
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static struct logger_entry *get_entry_header(struct logger_log *log,
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size_t off, struct logger_entry *scratch)
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size_t off,
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struct logger_entry *scratch)
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{
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size_t len = min(sizeof(struct logger_entry), log->size - off);
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if (len != sizeof(struct logger_entry)) {
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memcpy(((void *) scratch), log->buffer + off, len);
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memcpy(((void *) scratch) + len, log->buffer,
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sizeof(struct logger_entry) - len);
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memcpy(((void *)scratch), log->buffer + off, len);
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memcpy(((void *)scratch) + len, log->buffer,
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sizeof(struct logger_entry) - len);
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return scratch;
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}
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@ -163,7 +162,7 @@ static size_t get_user_hdr_len(int ver)
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}
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static ssize_t copy_header_to_user(int ver, struct logger_entry *entry,
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char __user *buf)
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char __user *buf)
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{
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void *hdr;
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size_t hdr_len;
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@ -213,7 +212,7 @@ static ssize_t do_read_log_to_user(struct logger_log *log,
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count -= get_user_hdr_len(reader->r_ver);
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buf += get_user_hdr_len(reader->r_ver);
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msg_start = logger_offset(log,
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reader->r_off + sizeof(struct logger_entry));
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reader->r_off + sizeof(struct logger_entry));
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/*
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* We read from the msg in two disjoint operations. First, we read from
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@ -243,7 +242,7 @@ static ssize_t do_read_log_to_user(struct logger_log *log,
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* 'log->buffer' which contains the first entry readable by 'euid'
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*/
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static size_t get_next_entry_by_uid(struct logger_log *log,
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size_t off, kuid_t euid)
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size_t off, kuid_t euid)
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{
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while (off != log->w_off) {
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struct logger_entry *entry;
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@ -530,8 +529,9 @@ static int logger_open(struct inode *inode, struct file *file)
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mutex_unlock(&log->mutex);
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file->private_data = reader;
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} else
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} else {
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file->private_data = log;
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}
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return 0;
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}
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@ -611,7 +611,7 @@ static long logger_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
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struct logger_log *log = file_get_log(file);
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struct logger_reader *reader;
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long ret = -EINVAL;
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void __user *argp = (void __user *) arg;
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void __user *argp = (void __user *)arg;
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mutex_lock(&log->mutex);
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@ -653,7 +653,7 @@ static long logger_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
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break;
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}
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if (!(in_egroup_p(file_inode(file)->i_gid) ||
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capable(CAP_SYSLOG))) {
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capable(CAP_SYSLOG))) {
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ret = -EPERM;
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break;
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}
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@ -741,12 +741,12 @@ static int __init create_log(char *log_name, int size)
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ret = misc_register(&log->misc);
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if (unlikely(ret)) {
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pr_err("failed to register misc device for log '%s'!\n",
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log->misc.name);
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log->misc.name);
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goto out_free_misc_name;
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}
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pr_info("created %luK log '%s'\n",
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(unsigned long) log->size >> 10, log->misc.name);
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(unsigned long)log->size >> 10, log->misc.name);
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return 0;
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@ -799,7 +799,6 @@ static void __exit logger_exit(void)
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}
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}
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device_initcall(logger_init);
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module_exit(logger_exit);
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