media: tvp7002: fix uninitialized variable warning
authorHans Verkuil <hverkuil-cisco@xs4all.nl>
Thu, 8 Oct 2020 11:59:12 +0000 (13:59 +0200)
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>
Thu, 8 Oct 2020 12:13:59 +0000 (14:13 +0200)
commit2311072d9905b1f810a3c0665362ee552f076c26
treed3df02d1154edf3ca30be97e45a03a7b3a82f02a
parent7124ae48f2a45399789bcc14389614c899f6aa7c
media: tvp7002: fix uninitialized variable warning

tvp7002.c: In function 'tvp7002_g_register':
tvp7002.c:691:11: warning: 'val' may be used uninitialized in this function [-Wmaybe-uninitialized]
  691 |  reg->val = val;
      |  ~~~~~~~~~^~~~~

Just return without setting 'reg' if tvp7002_read returns an error.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
drivers/media/i2c/tvp7002.c