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authorWenwen Wang <wenwen@cs.uga.edu>2019-08-18 02:40:14 -0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-10-05 12:27:48 +0200
commit70e2968f3bf2bce0abf2a2e9a9516652d035a376 (patch)
tree2f9c76fa5bdb6747ad24031e65197a8e0411817b
parent11b1a42a99d3ce1d59ab2d7ffa4f52b3e87bf59e (diff)
media: saa7146: add cleanup in hexium_attach()
[ Upstream commit 42e64117d3b4a759013f77bbcf25ab6700e55de7 ] If saa7146_register_device() fails, no cleanup is executed, leading to memory/resource leaks. To fix this issue, perform necessary cleanup work before returning the error. Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/media/pci/saa7146/hexium_gemini.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/pci/saa7146/hexium_gemini.c b/drivers/media/pci/saa7146/hexium_gemini.c
index d4b3ce828285..343cd75fcd8d 100644
--- a/drivers/media/pci/saa7146/hexium_gemini.c
+++ b/drivers/media/pci/saa7146/hexium_gemini.c
@@ -304,6 +304,9 @@ static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_d
ret = saa7146_register_device(&hexium->video_dev, dev, "hexium gemini", VFL_TYPE_GRABBER);
if (ret < 0) {
pr_err("cannot register capture v4l2 device. skipping.\n");
+ saa7146_vv_release(dev);
+ i2c_del_adapter(&hexium->i2c_adapter);
+ kfree(hexium);
return ret;
}