[PATCH AUTOSEL 4.9 13/43] media: videobuf2-core: check for q->error in vb2_core_qbuf()

From: Hans Verkuil [ Upstream commit b509d733d337417bcb7fa4a35be3b9a49332b724 ] The vb2_core_qbuf() function didn't check if q->error was set. It is checked in __buf_prepare(), but that function isn't called if the buffer was already prepared before with VIDIOC_PREPARE_BUF. So check it at the

[PATCH AUTOSEL 4.9 13/43] media: videobuf2-core: check for q->error in vb2_core_qbuf()

From: Hans Verkuil [ Upstream commit b509d733d337417bcb7fa4a35be3b9a49332b724 ] The vb2_core_qbuf() function didn't check if q->error was set. It is checked in __buf_prepare(), but that function isn't called if the buffer was already prepared before with VIDIOC_PREPARE_BUF. So check it at the