diff options
| author | Alexey Dobriyan <adobriyan@gmail.com> | 2014-08-08 14:21:44 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-08 15:57:23 -0700 |
| commit | edfcd6064fa7d368ea9b67f1fa0b1ea4c14a31c1 (patch) | |
| tree | cd987f4a8e201d0e095981d4b3a6fa330ad31bd7 | |
| parent | 2ca66ff70a49f0c92352282d6a67d47be090a462 (diff) | |
proc: convert /proc/$PID/wchan to seq_file interface
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | fs/proc/base.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index a6d0214c7c95..353f28718414 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -234,7 +234,8 @@ 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]; @@ -245,9 +246,9 @@ 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 */ @@ -2597,7 +2598,7 @@ 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), @@ -2935,7 +2936,7 @@ 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), |