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Date: Tue, 21 Jul 2020 15:17:01 +0000
From: Wei Yongjun <weiyongjun1@...wei.com>
To: Ben Skeggs <bskeggs@...hat.com>, David Airlie <airlied@...ux.ie>,
"Daniel Vetter" <daniel@...ll.ch>, Lyude Paul <lyude@...hat.com>,
Dave Airlie <airlied@...il.com>
CC: Wei Yongjun <weiyongjun1@...wei.com>,
<dri-devel@...ts.freedesktop.org>, <nouveau@...ts.freedesktop.org>,
<linux-kernel@...r.kernel.org>, <kernel-janitors@...r.kernel.org>,
Hulk Robot <hulkci@...wei.com>
Subject: [PATCH -next] drm/nouveau/kms/nvd9-: Fix file release memory leak
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 <hulkci@...wei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.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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