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authorGary S. Robertson <gary.robertson@linaro.org>2016-01-20 15:36:59 -0600
committerGary S. Robertson <gary.robertson@linaro.org>2016-01-20 15:36:59 -0600
commit370e05d463d66eaada3b4bb9266f019563920eb0 (patch)
tree348834a36436338eea1e9f17f1823cae213f92fc /fs/proc/base.c
parentf93328edc6d139b9b1b5ed6944f7b80b8699cdf7 (diff)
parent906d9eadd3b6698fa6ceb9bcdf41da6aa56d0a24 (diff)
Merge tag 'lsk-v4.1-15.12-rt' of http://git.linaro.org/kernel/linux-linaro-stable into linux-linaro-lng-v4.1-rtlinux-lng-preempt-rt-4.1.14-2016.03linux-lng-preempt-rt-4.1.14-2016.02linux-lng-preempt-rt-4.1.14-2016.01linux-linaro-lng-v4.1-rt
LSK RT 15.12 v4.1 Conflicts: linaro/configs/linaro-base.conf linaro/configs/preempt-rt.conf linaro/configs/vexpress64.conf
Diffstat (limited to 'fs/proc/base.c')
-rw-r--r--fs/proc/base.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 093ca14f5701..fcdeb1eb3921 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -238,13 +238,10 @@ static int proc_pid_wchan(struct seq_file *m, struct pid_namespace *ns,
wchan = get_wchan(task);
- if (lookup_symbol_name(wchan, symname) < 0) {
- if (!ptrace_may_access(task, PTRACE_MODE_READ))
- return 0;
- seq_printf(m, "%lu", wchan);
- } else {
+ if (wchan && ptrace_may_access(task, PTRACE_MODE_READ) && !lookup_symbol_name(wchan, symname))
seq_printf(m, "%s", symname);
- }
+ else
+ seq_putc(m, '0');
return 0;
}