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Subject[PATCH 2/5] cdrom: cleanup hardcoded error-code
This patch eliminates hardcoded return value of register_cdrom().

It also changes the return value to -EINVAL.
It is more appropriate than -2 (-ENOENT) because it is only
happen invalid usage of register_cdrom() by broken cdrom driver.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>
---
drivers/cdrom/cdrom.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Index: 2.6-git/drivers/cdrom/cdrom.c
===================================================================
--- 2.6-git.orig/drivers/cdrom/cdrom.c
+++ 2.6-git/drivers/cdrom/cdrom.c
@@ -393,7 +393,7 @@ int register_cdrom(struct cdrom_device_i
cdinfo(CD_OPEN, "entering register_cdrom\n");

if (cdo->open == NULL || cdo->release == NULL)
- return -2;
+ return -EINVAL;
if (!banner_printed) {
printk(KERN_INFO "Uniform CD-ROM driver " REVISION "\n");
banner_printed = 1;

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