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-rw-r--r--kernel/trace/trace.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index d9a4aa02c384..c1752dac613e 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2338,6 +2338,7 @@ static const struct file_operations show_traces_fops = {
2338 .open = show_traces_open, 2338 .open = show_traces_open,
2339 .read = seq_read, 2339 .read = seq_read,
2340 .release = seq_release, 2340 .release = seq_release,
2341 .llseek = seq_lseek,
2341}; 2342};
2342 2343
2343/* 2344/*
@@ -2431,6 +2432,7 @@ static const struct file_operations tracing_cpumask_fops = {
2431 .open = tracing_open_generic, 2432 .open = tracing_open_generic,
2432 .read = tracing_cpumask_read, 2433 .read = tracing_cpumask_read,
2433 .write = tracing_cpumask_write, 2434 .write = tracing_cpumask_write,
2435 .llseek = generic_file_llseek,
2434}; 2436};
2435 2437
2436static int tracing_trace_options_show(struct seq_file *m, void *v) 2438static int tracing_trace_options_show(struct seq_file *m, void *v)
@@ -2597,6 +2599,7 @@ tracing_readme_read(struct file *filp, char __user *ubuf,
2597static const struct file_operations tracing_readme_fops = { 2599static const struct file_operations tracing_readme_fops = {
2598 .open = tracing_open_generic, 2600 .open = tracing_open_generic,
2599 .read = tracing_readme_read, 2601 .read = tracing_readme_read,
2602 .llseek = generic_file_llseek,
2600}; 2603};
2601 2604
2602static ssize_t 2605static ssize_t
@@ -2647,6 +2650,7 @@ tracing_saved_cmdlines_read(struct file *file, char __user *ubuf,
2647static const struct file_operations tracing_saved_cmdlines_fops = { 2650static const struct file_operations tracing_saved_cmdlines_fops = {
2648 .open = tracing_open_generic, 2651 .open = tracing_open_generic,
2649 .read = tracing_saved_cmdlines_read, 2652 .read = tracing_saved_cmdlines_read,
2653 .llseek = generic_file_llseek,
2650}; 2654};
2651 2655
2652static ssize_t 2656static ssize_t
@@ -2976,6 +2980,7 @@ static int tracing_open_pipe(struct inode *inode, struct file *filp)
2976 if (iter->trace->pipe_open) 2980 if (iter->trace->pipe_open)
2977 iter->trace->pipe_open(iter); 2981 iter->trace->pipe_open(iter);
2978 2982
2983 nonseekable_open(inode, filp);
2979out: 2984out:
2980 mutex_unlock(&trace_types_lock); 2985 mutex_unlock(&trace_types_lock);
2981 return ret; 2986 return ret;
@@ -3534,18 +3539,21 @@ static const struct file_operations tracing_max_lat_fops = {
3534 .open = tracing_open_generic, 3539 .open = tracing_open_generic,
3535 .read = tracing_max_lat_read, 3540 .read = tracing_max_lat_read,
3536 .write = tracing_max_lat_write, 3541 .write = tracing_max_lat_write,
3542 .llseek = generic_file_llseek,
3537}; 3543};
3538 3544
3539static const struct file_operations tracing_ctrl_fops = { 3545static const struct file_operations tracing_ctrl_fops = {
3540 .open = tracing_open_generic, 3546 .open = tracing_open_generic,
3541 .read = tracing_ctrl_read, 3547 .read = tracing_ctrl_read,
3542 .write = tracing_ctrl_write, 3548 .write = tracing_ctrl_write,
3549 .llseek = generic_file_llseek,
3543}; 3550};
3544 3551
3545static const struct file_operations set_tracer_fops = { 3552static const struct file_operations set_tracer_fops = {
3546 .open = tracing_open_generic, 3553 .open = tracing_open_generic,
3547 .read = tracing_set_trace_read, 3554 .read = tracing_set_trace_read,
3548 .write = tracing_set_trace_write, 3555 .write = tracing_set_trace_write,
3556 .llseek = generic_file_llseek,
3549}; 3557};
3550 3558
3551static const struct file_operations tracing_pipe_fops = { 3559static const struct file_operations tracing_pipe_fops = {
@@ -3554,17 +3562,20 @@ static const struct file_operations tracing_pipe_fops = {
3554 .read = tracing_read_pipe, 3562 .read = tracing_read_pipe,
3555 .splice_read = tracing_splice_read_pipe, 3563 .splice_read = tracing_splice_read_pipe,
3556 .release = tracing_release_pipe, 3564 .release = tracing_release_pipe,
3565 .llseek = no_llseek,
3557}; 3566};
3558 3567
3559static const struct file_operations tracing_entries_fops = { 3568static const struct file_operations tracing_entries_fops = {
3560 .open = tracing_open_generic, 3569 .open = tracing_open_generic,
3561 .read = tracing_entries_read, 3570 .read = tracing_entries_read,
3562 .write = tracing_entries_write, 3571 .write = tracing_entries_write,
3572 .llseek = generic_file_llseek,
3563}; 3573};
3564 3574
3565static const struct file_operations tracing_mark_fops = { 3575static const struct file_operations tracing_mark_fops = {
3566 .open = tracing_open_generic, 3576 .open = tracing_open_generic,
3567 .write = tracing_mark_write, 3577 .write = tracing_mark_write,
3578 .llseek = generic_file_llseek,
3568}; 3579};
3569 3580
3570static const struct file_operations trace_clock_fops = { 3581static const struct file_operations trace_clock_fops = {
@@ -3870,6 +3881,7 @@ tracing_stats_read(struct file *filp, char __user *ubuf,
3870static const struct file_operations tracing_stats_fops = { 3881static const struct file_operations tracing_stats_fops = {
3871 .open = tracing_open_generic, 3882 .open = tracing_open_generic,
3872 .read = tracing_stats_read, 3883 .read = tracing_stats_read,
3884 .llseek = generic_file_llseek,
3873}; 3885};
3874 3886
3875#ifdef CONFIG_DYNAMIC_FTRACE 3887#ifdef CONFIG_DYNAMIC_FTRACE
@@ -3906,6 +3918,7 @@ tracing_read_dyn_info(struct file *filp, char __user *ubuf,
3906static const struct file_operations tracing_dyn_info_fops = { 3918static const struct file_operations tracing_dyn_info_fops = {
3907 .open = tracing_open_generic, 3919 .open = tracing_open_generic,
3908 .read = tracing_read_dyn_info, 3920 .read = tracing_read_dyn_info,
3921 .llseek = generic_file_llseek,
3909}; 3922};
3910#endif 3923#endif
3911 3924
@@ -4059,6 +4072,7 @@ static const struct file_operations trace_options_fops = {
4059 .open = tracing_open_generic, 4072 .open = tracing_open_generic,
4060 .read = trace_options_read, 4073 .read = trace_options_read,
4061 .write = trace_options_write, 4074 .write = trace_options_write,
4075 .llseek = generic_file_llseek,
4062}; 4076};
4063 4077
4064static ssize_t 4078static ssize_t
@@ -4110,6 +4124,7 @@ static const struct file_operations trace_options_core_fops = {
4110 .open = tracing_open_generic, 4124 .open = tracing_open_generic,
4111 .read = trace_options_core_read, 4125 .read = trace_options_core_read,
4112 .write = trace_options_core_write, 4126 .write = trace_options_core_write,
4127 .llseek = generic_file_llseek,
4113}; 4128};
4114 4129
4115struct dentry *trace_create_file(const char *name, 4130struct dentry *trace_create_file(const char *name,