diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 5e9389faaf75..97c40865a93e 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -756,9 +756,11 @@ ftrace_avail_open(struct inode *inode, struct file *file) ret = seq_open(file, &show_ftrace_seq_ops); if (!ret) { struct seq_file *m = file->private_data; + m->private = iter; - } else + } else { kfree(iter); + } return ret; } @@ -770,6 +772,7 @@ int ftrace_avail_release(struct inode *inode, struct file *file) seq_release(inode, file); kfree(iter); + return 0; } diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index b3811ca74071..4550afda9607 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1245,10 +1245,10 @@ static int s_show(struct seq_file *m, void *v) } static struct seq_operations tracer_seq_ops = { - .start = s_start, - .next = s_next, - .stop = s_stop, - .show = s_show, + .start = s_start, + .next = s_next, + .stop = s_stop, + .show = s_show, }; static struct trace_iterator notrace * @@ -1397,10 +1397,10 @@ static int t_show(struct seq_file *m, void *v) } static struct seq_operations show_traces_seq_ops = { - .start = t_start, - .next = t_next, - .stop = t_stop, - .show = t_show, + .start = t_start, + .next = t_next, + .stop = t_stop, + .show = t_show, }; static int show_traces_open(struct inode *inode, struct file *file) @@ -1420,17 +1420,17 @@ static int show_traces_open(struct inode *inode, struct file *file) } static struct file_operations tracing_fops = { - .open = tracing_open, - .read = seq_read, - .llseek = seq_lseek, - .release = tracing_release, + .open = tracing_open, + .read = seq_read, + .llseek = seq_lseek, + .release = tracing_release, }; static struct file_operations tracing_lt_fops = { - .open = tracing_lt_open, - .read = seq_read, - .llseek = seq_lseek, - .release = tracing_release, + .open = tracing_lt_open, + .read = seq_read, + .llseek = seq_lseek, + .release = tracing_release, }; static struct file_operations show_traces_fops = { @@ -1620,8 +1620,7 @@ tracing_set_trace_read(struct file *filp, char __user *ubuf, r = sprintf(buf, "\n"); mutex_unlock(&trace_types_lock); - return simple_read_from_buffer(ubuf, cnt, ppos, - buf, r); + return simple_read_from_buffer(ubuf, cnt, ppos, buf, r); } static ssize_t @@ -1680,8 +1679,7 @@ tracing_max_lat_read(struct file *filp, char __user *ubuf, *ptr == (unsigned long)-1 ? -1 : nsecs_to_usecs(*ptr)); if (r > 64) r = 64; - return simple_read_from_buffer(ubuf, cnt, ppos, - buf, r); + return simple_read_from_buffer(ubuf, cnt, ppos, buf, r); } static ssize_t @@ -1891,27 +1889,27 @@ tracing_read_pipe(struct file *filp, char __user *ubuf, } static struct file_operations tracing_max_lat_fops = { - .open = tracing_open_generic, - .read = tracing_max_lat_read, - .write = tracing_max_lat_write, + .open = tracing_open_generic, + .read = tracing_max_lat_read, + .write = tracing_max_lat_write, }; static struct file_operations tracing_ctrl_fops = { - .open = tracing_open_generic, - .read = tracing_ctrl_read, - .write = tracing_ctrl_write, + .open = tracing_open_generic, + .read = tracing_ctrl_read, + .write = tracing_ctrl_write, }; static struct file_operations set_tracer_fops = { - .open = tracing_open_generic, - .read = tracing_set_trace_read, - .write = tracing_set_trace_write, + .open = tracing_open_generic, + .read = tracing_set_trace_read, + .write = tracing_set_trace_write, }; static struct file_operations tracing_pipe_fops = { - .open = tracing_open_pipe, - .read = tracing_read_pipe, - .release = tracing_release_pipe, + .open = tracing_open_pipe, + .read = tracing_read_pipe, + .release = tracing_release_pipe, }; #ifdef CONFIG_DYNAMIC_FTRACE @@ -1925,13 +1923,13 @@ tracing_read_long(struct file *filp, char __user *ubuf, int r; r = sprintf(buf, "%ld\n", *p); - return simple_read_from_buffer(ubuf, cnt, ppos, - buf, r); + + return simple_read_from_buffer(ubuf, cnt, ppos, buf, r); } static struct file_operations tracing_read_long_fops = { - .open = tracing_open_generic, - .read = tracing_read_long, + .open = tracing_open_generic, + .read = tracing_read_long, }; #endif @@ -2033,7 +2031,7 @@ static __init void tracer_init_debugfs(void) /* dummy trace to disable tracing */ static struct tracer no_tracer __read_mostly = { - .name = "none", + .name = "none", }; static int trace_alloc_page(void)