[media] vim2m: Clean up file handle in open() error path

Fix to avoid possible memory leak and exit file handle
in error paths.

Signed-off-by: Santosh Kumar Singh <kumar.san1093@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/platform/vim2m.c

@@ -907,6 +907,7 @@ static int vim2m_open(struct file *file)
 	if (hdl->error) {
 		rc = hdl->error;
 		v4l2_ctrl_handler_free(hdl);
+		kfree(ctx);
 		goto open_unlock;
 	}
 	ctx->fh.ctrl_handler = hdl;
@@ -928,6 +929,7 @@ static int vim2m_open(struct file *file)
 		rc = PTR_ERR(ctx->fh.m2m_ctx);
 
 		v4l2_ctrl_handler_free(hdl);
+		v4l2_fh_exit(&ctx->fh);
 		kfree(ctx);
 		goto open_unlock;
 	}