---

yaml
---
r: 140953
b: refs/heads/master
c: 850a80c
h: refs/heads/master
i:
  140951: 41945c1
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fa9d13cf135efbd454453a53b6299976bea245a9
+refs/heads/master: 850a80cfaa5aec3e626eb3736eff890a80e4fa77

trunk/kernel/trace/ftrace.c

@@ -1120,16 +1120,6 @@ ftrace_notrace_open(struct inode *inode, struct file *file)
 	return ftrace_regex_open(inode, file, 0);
 }
 
-static ssize_t
-ftrace_regex_read(struct file *file, char __user *ubuf,
-		       size_t cnt, loff_t *ppos)
-{
-	if (file->f_mode & FMODE_READ)
-		return seq_read(file, ubuf, cnt, ppos);
-	else
-		return -EPERM;
-}
-
 static loff_t
 ftrace_regex_lseek(struct file *file, loff_t offset, int origin)
 {
@@ -1882,15 +1872,15 @@ static const struct file_operations ftrace_failures_fops = {
 
 static const struct file_operations ftrace_filter_fops = {
 	.open = ftrace_filter_open,
-	.read = ftrace_regex_read,
+	.read = seq_read,
 	.write = ftrace_filter_write,
 	.llseek = ftrace_regex_lseek,
 	.release = ftrace_filter_release,
 };
 
 static const struct file_operations ftrace_notrace_fops = {
 	.open = ftrace_notrace_open,
-	.read = ftrace_regex_read,
+	.read = seq_read,
 	.write = ftrace_notrace_write,
 	.llseek = ftrace_regex_lseek,
 	.release = ftrace_notrace_release,
@@ -1992,16 +1982,6 @@ ftrace_graph_open(struct inode *inode, struct file *file)
 	return ret;
 }
 
-static ssize_t
-ftrace_graph_read(struct file *file, char __user *ubuf,
-		       size_t cnt, loff_t *ppos)
-{
-	if (file->f_mode & FMODE_READ)
-		return seq_read(file, ubuf, cnt, ppos);
-	else
-		return -EPERM;
-}
-
 static int
 ftrace_set_func(unsigned long *array, int *idx, char *buffer)
 {
@@ -2132,7 +2112,7 @@ ftrace_graph_write(struct file *file, const char __user *ubuf,
 
 static const struct file_operations ftrace_graph_fops = {
 	.open = ftrace_graph_open,
-	.read = ftrace_graph_read,
+	.read = seq_read,
 	.write = ftrace_graph_write,
 };
 #endif /* CONFIG_FUNCTION_GRAPH_TRACER */