[PATCH] remoteproc: Fix NULL vs IS_ERR() checking in rproc_create_trace_file

[Miaoqian Lin <linmq006@xxxxxxxxx>]

The debugfs_create_file() function doesn't return NULL.
It returns error pointers.

Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
---
 drivers/remoteproc/remoteproc_debugfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/remoteproc/remoteproc_debugfs.c b/drivers/remoteproc/remoteproc_debugfs.c
index b5a1e3b697d9..a2409fe2f57b 100644
--- a/drivers/remoteproc/remoteproc_debugfs.c
+++ b/drivers/remoteproc/remoteproc_debugfs.c
@@ -390,7 +390,7 @@ struct dentry *rproc_create_trace_file(const char *name, struct rproc *rproc,
 
 	tfile = debugfs_create_file(name, 0400, rproc->dbg_dir, trace,
 				    &trace_rproc_ops);
-	if (!tfile) {
+	if (IS_ERR(tfile)) {
 		dev_err(&rproc->dev, "failed to create debugfs trace entry\n");
 		return NULL;
 	}
-- 
2.17.1