Signed-off-by: Alexey Dobriyan <[email protected]>
---
fs/proc/base.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -235,7 +235,8 @@ static int proc_pid_auxv(struct seq_file *m, struct
pid_namespace *ns,
* Provides a wchan file via kallsyms in a proper one-value-per-file format.
* Returns the resolved symbol. If that fails, simply return the address.
*/
-static int proc_pid_wchan(struct task_struct *task, char *buffer)
+static int proc_pid_wchan(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *task)
{
unsigned long wchan;
char symname[KSYM_NAME_LEN];
@@ -246,9 +247,9 @@ static int proc_pid_wchan(struct task_struct *task, char
*buffer)
if (!ptrace_may_access(task, PTRACE_MODE_READ))
return 0;
else
- return sprintf(buffer, "%lu", wchan);
+ return seq_printf(m, "%lu", wchan);
else
- return sprintf(buffer, "%s", symname);
+ return seq_printf(m, "%s", symname);
}
#endif /* CONFIG_KALLSYMS */
@@ -2598,7 +2599,7 @@ static const struct pid_entry tgid_base_stuff[] = {
DIR("attr", S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations,
proc_attr_dir_operations),
#endif
#ifdef CONFIG_KALLSYMS
- INF("wchan", S_IRUGO, proc_pid_wchan),
+ ONE("wchan", S_IRUGO, proc_pid_wchan),
#endif
#ifdef CONFIG_STACKTRACE
ONE("stack", S_IRUSR, proc_pid_stack),
@@ -2936,7 +2937,7 @@ static const struct pid_entry tid_base_stuff[] = {
DIR("attr", S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations,
proc_attr_dir_operations),
#endif
#ifdef CONFIG_KALLSYMS
- INF("wchan", S_IRUGO, proc_pid_wchan),
+ ONE("wchan", S_IRUGO, proc_pid_wchan),
#endif
#ifdef CONFIG_STACKTRACE
ONE("stack", S_IRUSR, proc_pid_stack),
--
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