[media] soc-camera: Fix a return value in case of error
authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Fri, 18 Nov 2016 17:49:15 +0000 (15:49 -0200)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Mon, 30 Jan 2017 16:46:44 +0000 (14:46 -0200)
commita5bc63f28a384e2961dcd9069d71ccded8406ce6
tree2e9d11661e903f07fa811c7434fe7253eedbf112
parentf41003a23a02dc7299539300f74360c2a932714a
[media] soc-camera: Fix a return value in case of error

If 'ov9640_reg_read()' does not return 0, then 'val' is left unmodified.
As it is not initialized either, the return value can be anything.

It is likely that returning the error code was expected here.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
drivers/media/i2c/soc_camera/ov9640.c