When using single_open() for opening, single_release() should be
used instead of seq_release(), otherwise there is a memory leak.

Fixes: 12885ecbfe62 ("drm/nouveau/kms/nvd9-: Add CRC support")
Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: Wei Yongjun <weiyongj...@huawei.com>
---
 drivers/gpu/drm/nouveau/dispnv50/crc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/nouveau/dispnv50/crc.c 
b/drivers/gpu/drm/nouveau/dispnv50/crc.c
index f17fb6d56757..4971a1042415 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/crc.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/crc.c
@@ -706,6 +706,7 @@ static const struct file_operations 
nv50_crc_flip_threshold_fops = {
        .open = nv50_crc_debugfs_flip_threshold_open,
        .read = seq_read,
        .write = nv50_crc_debugfs_flip_threshold_set,
+       .release = single_release,
 };
 
 int nv50_head_crc_late_register(struct nv50_head *head)



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