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-rw-r--r--drivers/media/video/videobuf-core.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/media/video/videobuf-core.c b/drivers/media/video/videobuf-core.c
index c3adbd686ffe..80a14da9acef 100644
--- a/drivers/media/video/videobuf-core.c
+++ b/drivers/media/video/videobuf-core.c
@@ -102,10 +102,14 @@ int videobuf_iolock(struct videobuf_queue *q, struct videobuf_buffer *vb,
102 since mmap_mapper() method should be called before _iolock. 102 since mmap_mapper() method should be called before _iolock.
103 On some cases, the mmap_mapper() is called only after scheduling. 103 On some cases, the mmap_mapper() is called only after scheduling.
104 */ 104 */
105 wait_event_timeout(vb->done, q->is_mmapped, msecs_to_jiffies(100)); 105 if (vb->memory == V4L2_MEMORY_MMAP) {
106 if (!q->is_mmapped) { 106 wait_event_timeout(vb->done, q->is_mmapped,
107 printk(KERN_ERR "Error: mmap_mapper() never called!\n"); 107 msecs_to_jiffies(100));
108 return -EINVAL; 108 if (!q->is_mmapped) {
109 printk(KERN_ERR
110 "Error: mmap_mapper() never called!\n");
111 return -EINVAL;
112 }
109 } 113 }
110 114
111 return CALL(q, iolock, q, vb, fbuf); 115 return CALL(q, iolock, q, vb, fbuf);