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Diffstat (limited to 'kernel/relay.c')
-rw-r--r--kernel/relay.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/relay.c b/kernel/relay.c
index 1537158c67b3..61d37e6da22d 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -427,6 +427,8 @@ static struct dentry *relay_create_buf_file(struct rchan *chan,
dentry = chan->cb->create_buf_file(tmpname, chan->parent,
S_IRUSR, buf,
&chan->is_global);
+ if (IS_ERR(dentry))
+ dentry = NULL;
kfree(tmpname);
@@ -460,7 +462,7 @@ static struct rchan_buf *relay_open_buf(struct rchan *chan, unsigned int cpu)
dentry = chan->cb->create_buf_file(NULL, NULL,
S_IRUSR, buf,
&chan->is_global);
- if (WARN_ON(dentry))
+ if (IS_ERR_OR_NULL(dentry))
goto free_buf;
}