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authorEric W. Biederman <ebiederm@xmission.com>2012-09-07 12:39:21 +0000
committerDavid S. Miller <davem@davemloft.net>2012-09-13 16:26:39 -0400
commit8289bab1daf9768c20114051a99c1bd5f48d4420 (patch)
tree8e989dd8f391c49faa1bb63fc5164a44482911ea /include/scsi
parentf05ba7fccf0c5f0422378adaffcb119d08b9f304 (diff)
downloadlinux-linaro-stable-8289bab1daf9768c20114051a99c1bd5f48d4420.tar.gz
scsi_netlink: Remove dead and buggy code
The scsi netlink code confuses the netlink port id with a process id, going so far as to read NETLINK_CREDS(skb)->pid instead of the correct NETLINK_CB(skb).pid. Fortunately it does not matter because nothing registers to respond to scsi netlink requests. The only interesting use of the scsi_netlink interface is fc_host_post_vendor_event which sends a netlink multicast message. Since nothing registers to handle scsi netlink messages kill all of the registration logic, while retaining the same error handling behavior preserving the userspace visible behavior and removing all of the confused code that thought a netlink port id was a process id. This was tested with a kernel allyesconfig build which had no problems. Cc: James Bottomley <James.Bottomley@parallels.com> Cc: James Smart <James.Smart@Emulex.Com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/scsi')
-rw-r--r--include/scsi/scsi_netlink.h24
1 files changed, 0 insertions, 24 deletions
diff --git a/include/scsi/scsi_netlink.h b/include/scsi/scsi_netlink.h
index 5cb20ccb1956..62b4edab15d3 100644
--- a/include/scsi/scsi_netlink.h
+++ b/include/scsi/scsi_netlink.h
@@ -119,29 +119,5 @@ struct scsi_nl_host_vendor_msg {
(hdr)->msglen = mlen; \
}
-
-#ifdef __KERNEL__
-
-#include <scsi/scsi_host.h>
-
-/* Exported Kernel Interfaces */
-int scsi_nl_add_transport(u8 tport,
- int (*msg_handler)(struct sk_buff *),
- void (*event_handler)(struct notifier_block *, unsigned long, void *));
-void scsi_nl_remove_transport(u8 tport);
-
-int scsi_nl_add_driver(u64 vendor_id, struct scsi_host_template *hostt,
- int (*nlmsg_handler)(struct Scsi_Host *shost, void *payload,
- u32 len, u32 pid),
- void (*nlevt_handler)(struct notifier_block *nb,
- unsigned long event, void *notify_ptr));
-void scsi_nl_remove_driver(u64 vendor_id);
-
-void scsi_nl_send_transport_msg(u32 pid, struct scsi_nl_hdr *hdr);
-int scsi_nl_send_vendor_msg(u32 pid, unsigned short host_no, u64 vendor_id,
- char *data_buf, u32 data_len);
-
-#endif /* __KERNEL__ */
-
#endif /* SCSI_NETLINK_H */