[PATCH] media: v4l: use WARN_ON(1) instead of __WARN()

From: Arnd Bergmann
Date: Tue Jul 25 2017 - 11:40:26 EST


__WARN() cannot be used in portable code, since it is only
available on some architectures and configurations:

drivers/media/platform/pxa_camera.c: In function 'pxa_mbus_config_compatible':
drivers/media/platform/pxa_camera.c:642:3: error: implicit declaration of function '__WARN'; did you mean '__WALL'? [-Werror=implicit-function-declaration]

The common way to express an unconditional warning is WARN_ON(1),
so let's use that here.

Fixes: 97bbdf02d905 ("media: v4l: Add support for CSI-1 and CCP2 busses")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
drivers/media/platform/pxa_camera.c | 2 +-
drivers/media/platform/soc_camera/soc_mediabus.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/pxa_camera.c b/drivers/media/platform/pxa_camera.c
index 3898a5cd8664..0d4af6d91ffc 100644
--- a/drivers/media/platform/pxa_camera.c
+++ b/drivers/media/platform/pxa_camera.c
@@ -639,7 +639,7 @@ static unsigned int pxa_mbus_config_compatible(const struct v4l2_mbus_config *cf
V4L2_MBUS_CSI2_CONTINUOUS_CLOCK);
return (!mipi_lanes || !mipi_clock) ? 0 : common_flags;
default:
- __WARN();
+ WARN_ON(1);
return -EINVAL;
}
return 0;
diff --git a/drivers/media/platform/soc_camera/soc_mediabus.c b/drivers/media/platform/soc_camera/soc_mediabus.c
index 43192d80beef..0ad4b28266e4 100644
--- a/drivers/media/platform/soc_camera/soc_mediabus.c
+++ b/drivers/media/platform/soc_camera/soc_mediabus.c
@@ -509,7 +509,7 @@ unsigned int soc_mbus_config_compatible(const struct v4l2_mbus_config *cfg,
V4L2_MBUS_CSI2_CONTINUOUS_CLOCK);
return (!mipi_lanes || !mipi_clock) ? 0 : common_flags;
default:
- __WARN();
+ WARN_ON(1);
return -EINVAL;
}
return 0;
--
2.9.0