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mm: clear pte in clear_soft_dirty()
[firefly-linux-kernel-4.4.55.git]
/
fs
/
proc
/
base.c
diff --git
a/fs/proc/base.c
b/fs/proc/base.c
index b25eee4cead5398b69889c95c29480ba9862c397..29595af328669543a70115a7613539a48f6e4226 100644
(file)
--- a/
fs/proc/base.c
+++ b/
fs/proc/base.c
@@
-430,13
+430,10
@@
static int proc_pid_wchan(struct seq_file *m, struct pid_namespace *ns,
wchan = get_wchan(task);
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);
seq_printf(m, "%s", symname);
- }
+ else
+ seq_putc(m, '0');
return 0;
}
return 0;
}