Fix build on systems that lack VIDIOC_CREATE_BUFS definition

ldv-alt · ldv-alt · commit fffe50d32165 · 2015-08-26T11:55:05.000Z
* v4l2.c (v4l2_ioctl): Check that v4l2_ioctl is defined.
diff --git a/v4l2.c b/v4l2.c
@@ -592,6 +592,7 @@ v4l2_ioctl(struct tcb *tcp, const unsigned int code, long arg)
 		return 1;
 	}
 
+#ifdef VIDIOC_CREATE_BUFS
 	case VIDIOC_CREATE_BUFS: {
 		struct v4l2_create_buffers b;
 
@@ -617,6 +618,7 @@ v4l2_ioctl(struct tcb *tcp, const unsigned int code, long arg)
 			return 1 + RVAL_STR;
 		}
 	}
+#endif /* VIDIOC_CREATE_BUFS */
 
 	case VIDIOC_REQBUFS: {
 		struct v4l2_requestbuffers reqbufs;

Original file line number	Diff line number	Diff line change
`@@ -592,6 +592,7 @@ v4l2_ioctl(struct tcb *tcp, const unsigned int code, long arg)`
`592`	`592`	`return 1;`
`593`	`593`	`}`
`594`	`594`
	`595`	`+#ifdef VIDIOC_CREATE_BUFS`
`595`	`596`	`case VIDIOC_CREATE_BUFS: {`
`596`	`597`	`struct v4l2_create_buffers b;`
`597`	`598`
`@@ -617,6 +618,7 @@ v4l2_ioctl(struct tcb *tcp, const unsigned int code, long arg)`
`617`	`618`	`return 1 + RVAL_STR;`
`618`	`619`	`}`
`619`	`620`	`}`
	`621`	`+#endif /* VIDIOC_CREATE_BUFS */`
`620`	`622`
`621`	`623`	`case VIDIOC_REQBUFS: {`
`622`	`624`	`struct v4l2_requestbuffers reqbufs;`