[PATCH 4.5 116/200] [media] media: vb2: Fix regression on poll() for RW mode

4.5-stable review patch. If anyone has any objections, please let me know. -- From: Ricardo Ribalda Delgado commit b93876845c5e30a92964eeb088d9d2e024118022 upstream. When using a device is read/write mode, vb2 does not handle properly the first

[PATCH 4.5 116/200] [media] media: vb2: Fix regression on poll() for RW mode

4.5-stable review patch. If anyone has any objections, please let me know. -- From: Ricardo Ribalda Delgado commit b93876845c5e30a92964eeb088d9d2e024118022 upstream. When using a device is read/write mode, vb2 does not handle properly the first select/poll operation. The