From: Márton Németh <nm...@fremail.hu>
Add check for the mandatory config, init, start and pkt_scan
gspca subdriver operations.
Signed-off-by: Márton Németh <nm...@fremail.hu>
---
diff -r 182b5f8fa160 linux/drivers/media/video/gspca/gspca.c
--- a/linux/drivers/media/video/gspca/gspca.c Sun Nov 15 10:05:30 2009 +0100
+++ b/linux/drivers/media/video/gspca/gspca.c Tue Nov 17 07:42:34 2009 +0100
@@ -2035,6 +2035,12 @@
return -ENODEV;
}
+ /* check for mandatory operations */
+ BUG_ON(!sd_desc->config);
+ BUG_ON(!sd_desc->init);
+ BUG_ON(!sd_desc->start);
+ BUG_ON(!sd_desc->pkt_scan);
+
/* create the device */
if (dev_size < sizeof *gspca_dev)
dev_size = sizeof *gspca_dev;
--
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