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v4l2object: Fix dmabuf support detection

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This resulted in improper selection of dmabuf on unsupported drivers.
The checked ioctl errno was not correct.

https://bugzilla.gnome.org/show_bug.cgi?id=790940
This commit is contained in:
Florent Thiéry 2017-11-29 11:29:31 +01:00 committed by Nicolas Dufresne
parent 0be4e80145
commit a315810640
1 changed files with 1 additions and 1 deletions
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2
sys/v4l2/gstv4l2object.c
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@ -2865,7 +2865,7 @@ gst_v4l2_object_is_dmabuf_supported (GstV4l2Object * v4l2object)
/* Expected to fail, but ENOTTY tells us that it is not implemented. */
v4l2object->ioctl (v4l2object->video_fd, VIDIOC_EXPBUF, &expbuf);
if (errno == -ENOTTY)
if (errno == ENOTTY)
ret = FALSE;
return ret;