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Subject: [media] media: fix MEDIA_IOC_DEVICE_INFO return code Author: Nicolas THERY <[email protected]> Date: Tue Aug 7 05:24:59 2012 -0300 The MEDIA_IOC_DEVICE_INFO ioctl was returning a positive value rather than a negative error code when failing to copy output parameter to user-space. Tested by compilation only. Signed-off-by: Nicolas Thery <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/media-device.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=b17d39453b40730cbfdb2cab9565f8ba8627b7f8 diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c index 6f9eb94..d01fcb7 100644 --- a/drivers/media/media-device.c +++ b/drivers/media/media-device.c @@ -59,7 +59,9 @@ static int media_device_get_info(struct media_device *dev, info.hw_revision = dev->hw_revision; info.driver_version = dev->driver_version; - return copy_to_user(__info, &info, sizeof(*__info)); + if (copy_to_user(__info, &info, sizeof(*__info))) + return -EFAULT; + return 0; } static struct media_entity *find_entity(struct media_device *mdev, u32 id) _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
