diff options
| -rw-r--r-- | fs/proc/base.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index 56bf14316122..3851bfcdba56 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -67,7 +67,6 @@ #include <linux/mm.h> #include <linux/swap.h> #include <linux/rcupdate.h> -#include <linux/kallsyms.h> #include <linux/stacktrace.h> #include <linux/resource.h> #include <linux/module.h> @@ -386,19 +385,17 @@ 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]; - if (!ptrace_may_access(task, PTRACE_MODE_READ_FSCREDS)) - goto print0; + if (ptrace_may_access(task, PTRACE_MODE_READ_FSCREDS)) + wchan = get_wchan(task); + else + wchan = 0; - wchan = get_wchan(task); - if (wchan && !lookup_symbol_name(wchan, symname)) { - seq_puts(m, symname); - return 0; - } + if (wchan) + seq_printf(m, "%ps", (void *) wchan); + else + seq_putc(m, '0'); -print0: - seq_putc(m, '0'); return 0; } #endif /* CONFIG_KALLSYMS */ |