With recent kernels (and possibly much older ones, too),
ioctl() calls for ATAPI devices never make it to the driver layers.
The reason for this is a borked return code test in drivers/scsi/sr.c.
This patch fixes it.
Signed-off-by: Mark Lord <[EMAIL PROTECTED]>
---
--- old/drivers/scsi/sr.c 2006-11-29 16:57:37.000000000 -0500
+++ linux/drivers/scsi/sr.c 2007-01-02 16:40:33.000000000 -0500
@@ -468,7 +468,7 @@
}
ret = cdrom_ioctl(file, &cd->cdi, inode, cmd, arg);
- if (ret != ENOSYS)
+ if (ret != -ENOSYS)
return ret;
/*
-
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