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-rw-r--r--fs/proc/base.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 3b4fe21c7e94..0c2052c79243 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -278,16 +278,15 @@ static int proc_pid_auxv(struct task_struct *task, char *buffer)
*/
static int proc_pid_wchan(struct task_struct *task, char *buffer)
{
- const char *sym_name;
unsigned long wchan;
- char namebuf[KSYM_NAME_LEN+1];
+ char symname[KSYM_NAME_LEN+1];
wchan = get_wchan(task);
- sym_name = kallsyms_lookup(wchan, NULL, NULL, NULL, namebuf);
- if (sym_name)
- return sprintf(buffer, "%s", sym_name);
- return sprintf(buffer, "%lu", wchan);
+ if (lookup_symbol_name(wchan, symname) < 0)
+ return sprintf(buffer, "%lu", wchan);
+ else
+ return sprintf(buffer, "%s", symname);
}
#endif /* CONFIG_KALLSYMS */