From: Hans Verkuil Date: Wed, 9 Sep 2015 06:40:39 +0000 (-0300) Subject: [media] v4l2-compat-ioctl32: replace pr_warn by pr_debug X-Git-Tag: v4.14-rc1~4413^2~123 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9ec32cc703c17b9fd1695619695b84f6ed554fab;p=platform%2Fkernel%2Flinux-rpi.git [media] v4l2-compat-ioctl32: replace pr_warn by pr_debug Every time compat32 encounters an unknown ioctl it will call pr_warn. However, that's very irritating since it is perfectly normal that this happens. For example, applications often try to call an ioctl to see if it exists, and if that's used with an older kernel where compat32 doesn't support that ioctl yet, then it starts spamming the kernel log. So replace pr_warn by pr_debug. Signed-off-by: Hans Verkuil Acked-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c index 788b31c..fc4326f 100644 --- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c +++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c @@ -1034,8 +1034,8 @@ long v4l2_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg) ret = vdev->fops->compat_ioctl32(file, cmd, arg); if (ret == -ENOIOCTLCMD) - pr_warn("compat_ioctl32: unknown ioctl '%c', dir=%d, #%d (0x%08x)\n", - _IOC_TYPE(cmd), _IOC_DIR(cmd), _IOC_NR(cmd), cmd); + pr_debug("compat_ioctl32: unknown ioctl '%c', dir=%d, #%d (0x%08x)\n", + _IOC_TYPE(cmd), _IOC_DIR(cmd), _IOC_NR(cmd), cmd); return ret; } EXPORT_SYMBOL_GPL(v4l2_compat_ioctl32);