[PATCH] media: saa7146: fix error logic at saa7146_vv_init()
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From: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Date: 2021-12-14 13:54:36
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Subsystem:
media input infrastructure (v4l/dvb), saa7146 video4linux-2 driver, the rest · Maintainers:
Mauro Carvalho Chehab, Hans Verkuil, Linus Torvalds
As the first thing this function does is to call v4l2_device_register(), it should call v4l2_device_unregister() if an error occurs, the same way as done at saa7146_vv_release(). Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> --- drivers/media/common/saa7146/saa7146_fops.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/media/common/saa7146/saa7146_fops.c b/drivers/media/common/saa7146/saa7146_fops.c
index be3215977714..e9a15de6126e 100644
--- a/drivers/media/common/saa7146/saa7146_fops.c
+++ b/drivers/media/common/saa7146/saa7146_fops.c@@ -487,6 +487,7 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv) if (hdl->error) { err = hdl->error; v4l2_ctrl_handler_free(hdl); + v4l2_device_unregister(&dev->v4l2_dev); return err; } dev->v4l2_dev.ctrl_handler = hdl;
@@ -495,6 +496,7 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv) if (vv == NULL) { ERR("out of memory. aborting.\n"); v4l2_ctrl_handler_free(hdl); + v4l2_device_unregister(&dev->v4l2_dev); return -ENOMEM; } ext_vv->vid_ops = saa7146_video_ioctl_ops;
@@ -521,6 +523,7 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv) ERR("out of memory. aborting.\n"); kfree(vv); v4l2_ctrl_handler_free(hdl); + v4l2_device_unregister(&dev->v4l2_dev); return -ENOMEM; }
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2.33.1