staging: bcm2835-camera: Abort probe if there is no camera

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Abort the probing of the camera driver in case there isn't a camera
actually connected to the Raspberry Pi. This solution also avoids a
NULL ptr dereference of mmal instance on driver unload.

Fixes: 7b3ad5abf0 ("staging: Import the BCM2835 MMAL-based V4L2 camera driver.")
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Stefan Wahren 2018-12-06 19:28:51 +01:00 • committed by Greg Kroah-Hartman

parent 99c22707ef

commit 7566f39dfd

1 changed files with 9 additions and 0 deletions

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drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c

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