[PATCH 23/23] gspca_gl860: Add a present check to sd_stop0

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The sensor specific dev_post_unset_alt functions all try to write to the
bridge, and none free any memory, so they should be skipped if stop0
is called on disconnection.

Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
 drivers/media/video/gspca/gl860/gl860.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/media/video/gspca/gl860/gl860.c b/drivers/media/video/gspca/gl860/gl860.c
index c84e260..c549574 100644
--- a/drivers/media/video/gspca/gl860/gl860.c
+++ b/drivers/media/video/gspca/gl860/gl860.c
@@ -405,6 +405,9 @@ static void sd_stop0(struct gspca_dev *gspca_dev)
 {
 	struct sd *sd = (struct sd *) gspca_dev;
 
+	if (!sd->gspca_dev.present)
+		return;
+
 	return sd->dev_post_unset_alt(gspca_dev);
 }
 
-- 
1.7.10

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