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authorIngo Molnar <mingo@kernel.org>2020-11-27 11:09:57 +0100
committerIngo Molnar <mingo@kernel.org>2020-11-27 11:10:50 +0100
commita787bdaff83a085288b6fc607afb4bb648da3cc9 (patch)
treeec389c1494ef4790ea90f65c4f86e523caf325d0 /fs/proc/self.c
parent2914b0ba61a9d253535e51af16c7122a8148995d (diff)
parent85a2c56cb4454c73f56d3099d96942e7919b292f (diff)
Merge branch 'linus' into sched/core, to resolve semantic conflict
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/proc/self.c')
-rw-r--r--fs/proc/self.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/proc/self.c b/fs/proc/self.c
index 72cd69bcaf4a..cc71ce3466dc 100644
--- a/fs/proc/self.c
+++ b/fs/proc/self.c
@@ -16,6 +16,13 @@ static const char *proc_self_get_link(struct dentry *dentry,
pid_t tgid = task_tgid_nr_ns(current, ns);
char *name;
+ /*
+ * Not currently supported. Once we can inherit all of struct pid,
+ * we can allow this.
+ */
+ if (current->flags & PF_KTHREAD)
+ return ERR_PTR(-EOPNOTSUPP);
+
if (!tgid)
return ERR_PTR(-ENOENT);
/* max length of unsigned int in decimal + NULL term */