From: David Howells <dhowe...@redhat.com>

[ Upstream commit 7126ead910aa9fcc9e16e9e7a8c9179658261f1d ]

Remove the error argument from afs_protocol_error() as it's always
-EBADMSG.

Signed-off-by: David Howells <dhowe...@redhat.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 fs/afs/cmservice.c         |  9 +++------
 fs/afs/fsclient.c          | 17 ++++++-----------
 fs/afs/inode.c             |  4 ++--
 fs/afs/internal.h          |  2 +-
 fs/afs/rxrpc.c             |  6 +++---
 fs/afs/vlclient.c          | 34 ++++++++++++++--------------------
 fs/afs/yfsclient.c         | 17 ++++++-----------
 include/trace/events/afs.h | 10 ++++------
 8 files changed, 39 insertions(+), 60 deletions(-)

diff --git a/fs/afs/cmservice.c b/fs/afs/cmservice.c
index 380ad5ace7cfd..3a9b8b1f5f2b0 100644
--- a/fs/afs/cmservice.c
+++ b/fs/afs/cmservice.c
@@ -305,8 +305,7 @@ static int afs_deliver_cb_callback(struct afs_call *call)
                call->count = ntohl(call->tmp);
                _debug("FID count: %u", call->count);
                if (call->count > AFSCBMAX)
-                       return afs_protocol_error(call, -EBADMSG,
-                                                 afs_eproto_cb_fid_count);
+                       return afs_protocol_error(call, 
afs_eproto_cb_fid_count);
 
                call->buffer = kmalloc(array3_size(call->count, 3, 4),
                                       GFP_KERNEL);
@@ -351,8 +350,7 @@ static int afs_deliver_cb_callback(struct afs_call *call)
                call->count2 = ntohl(call->tmp);
                _debug("CB count: %u", call->count2);
                if (call->count2 != call->count && call->count2 != 0)
-                       return afs_protocol_error(call, -EBADMSG,
-                                                 afs_eproto_cb_count);
+                       return afs_protocol_error(call, afs_eproto_cb_count);
                call->iter = &call->def_iter;
                iov_iter_discard(&call->def_iter, READ, call->count2 * 3 * 4);
                call->unmarshall++;
@@ -672,8 +670,7 @@ static int afs_deliver_yfs_cb_callback(struct afs_call 
*call)
                call->count = ntohl(call->tmp);
                _debug("FID count: %u", call->count);
                if (call->count > YFSCBMAX)
-                       return afs_protocol_error(call, -EBADMSG,
-                                                 afs_eproto_cb_fid_count);
+                       return afs_protocol_error(call, 
afs_eproto_cb_fid_count);
 
                size = array_size(call->count, sizeof(struct yfs_xdr_YFSFid));
                call->buffer = kmalloc(size, GFP_KERNEL);
diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c
index 585b678a6f705..7bca0c13d0c46 100644
--- a/fs/afs/fsclient.c
+++ b/fs/afs/fsclient.c
@@ -130,7 +130,7 @@ advance:
 
 bad:
        xdr_dump_bad(*_bp);
-       afs_protocol_error(call, -EBADMSG, afs_eproto_bad_status);
+       afs_protocol_error(call, afs_eproto_bad_status);
        goto advance;
 }
 
@@ -1470,8 +1470,7 @@ static int afs_deliver_fs_get_volume_status(struct 
afs_call *call)
                call->count = ntohl(call->tmp);
                _debug("volname length: %u", call->count);
                if (call->count >= AFSNAMEMAX)
-                       return afs_protocol_error(call, -EBADMSG,
-                                                 afs_eproto_volname_len);
+                       return afs_protocol_error(call, afs_eproto_volname_len);
                size = (call->count + 3) & ~3; /* It's padded */
                afs_extract_to_buf(call, size);
                call->unmarshall++;
@@ -1500,8 +1499,7 @@ static int afs_deliver_fs_get_volume_status(struct 
afs_call *call)
                call->count = ntohl(call->tmp);
                _debug("offline msg length: %u", call->count);
                if (call->count >= AFSNAMEMAX)
-                       return afs_protocol_error(call, -EBADMSG,
-                                                 afs_eproto_offline_msg_len);
+                       return afs_protocol_error(call, 
afs_eproto_offline_msg_len);
                size = (call->count + 3) & ~3; /* It's padded */
                afs_extract_to_buf(call, size);
                call->unmarshall++;
@@ -1531,8 +1529,7 @@ static int afs_deliver_fs_get_volume_status(struct 
afs_call *call)
                call->count = ntohl(call->tmp);
                _debug("motd length: %u", call->count);
                if (call->count >= AFSNAMEMAX)
-                       return afs_protocol_error(call, -EBADMSG,
-                                                 afs_eproto_motd_len);
+                       return afs_protocol_error(call, afs_eproto_motd_len);
                size = (call->count + 3) & ~3; /* It's padded */
                afs_extract_to_buf(call, size);
                call->unmarshall++;
@@ -2014,8 +2011,7 @@ static int afs_deliver_fs_inline_bulk_status(struct 
afs_call *call)
                tmp = ntohl(call->tmp);
                _debug("status count: %u/%u", tmp, call->count2);
                if (tmp != call->count2)
-                       return afs_protocol_error(call, -EBADMSG,
-                                                 afs_eproto_ibulkst_count);
+                       return afs_protocol_error(call, 
afs_eproto_ibulkst_count);
 
                call->count = 0;
                call->unmarshall++;
@@ -2051,8 +2047,7 @@ static int afs_deliver_fs_inline_bulk_status(struct 
afs_call *call)
                tmp = ntohl(call->tmp);
                _debug("CB count: %u", tmp);
                if (tmp != call->count2)
-                       return afs_protocol_error(call, -EBADMSG,
-                                                 afs_eproto_ibulkst_cb_count);
+                       return afs_protocol_error(call, 
afs_eproto_ibulkst_cb_count);
                call->count = 0;
                call->unmarshall++;
        more_cbs:
diff --git a/fs/afs/inode.c b/fs/afs/inode.c
index a239884549c5b..d7b65fad66796 100644
--- a/fs/afs/inode.c
+++ b/fs/afs/inode.c
@@ -130,7 +130,7 @@ static int afs_inode_init_from_status(struct afs_vnode 
*vnode, struct key *key,
        default:
                dump_vnode(vnode, parent_vnode);
                write_sequnlock(&vnode->cb_lock);
-               return afs_protocol_error(NULL, -EBADMSG, afs_eproto_file_type);
+               return afs_protocol_error(NULL, afs_eproto_file_type);
        }
 
        afs_set_i_size(vnode, status->size);
@@ -180,7 +180,7 @@ static void afs_apply_status(struct afs_fs_cursor *fc,
                        vnode->fid.vnode,
                        vnode->fid.unique,
                        status->type, vnode->status.type);
-               afs_protocol_error(NULL, -EBADMSG, afs_eproto_bad_status);
+               afs_protocol_error(NULL, afs_eproto_bad_status);
                return;
        }
 
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 017d392c17940..98e0cebd5e5e9 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -1129,7 +1129,7 @@ extern void afs_flat_call_destructor(struct afs_call *);
 extern void afs_send_empty_reply(struct afs_call *);
 extern void afs_send_simple_reply(struct afs_call *, const void *, size_t);
 extern int afs_extract_data(struct afs_call *, bool);
-extern int afs_protocol_error(struct afs_call *, int, enum afs_eproto_cause);
+extern int afs_protocol_error(struct afs_call *, enum afs_eproto_cause);
 
 static inline void afs_set_fc_call(struct afs_call *call, struct afs_fs_cursor 
*fc)
 {
diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c
index 26f20cdd1a98e..e3c2655616dc7 100644
--- a/fs/afs/rxrpc.c
+++ b/fs/afs/rxrpc.c
@@ -961,11 +961,11 @@ int afs_extract_data(struct afs_call *call, bool 
want_more)
 /*
  * Log protocol error production.
  */
-noinline int afs_protocol_error(struct afs_call *call, int error,
+noinline int afs_protocol_error(struct afs_call *call,
                                enum afs_eproto_cause cause)
 {
-       trace_afs_protocol_error(call, error, cause);
+       trace_afs_protocol_error(call, cause);
        if (call)
                call->unmarshalling_error = true;
-       return error;
+       return -EBADMSG;
 }
diff --git a/fs/afs/vlclient.c b/fs/afs/vlclient.c
index 516e9a3bb5b43..e64b002c3bb3a 100644
--- a/fs/afs/vlclient.c
+++ b/fs/afs/vlclient.c
@@ -447,8 +447,7 @@ static int afs_deliver_yfsvl_get_endpoints(struct afs_call 
*call)
                call->count2    = ntohl(*bp); /* Type or next count */
 
                if (call->count > YFS_MAXENDPOINTS)
-                       return afs_protocol_error(call, -EBADMSG,
-                                                 afs_eproto_yvl_fsendpt_num);
+                       return afs_protocol_error(call, 
afs_eproto_yvl_fsendpt_num);
 
                alist = afs_alloc_addrlist(call->count, FS_SERVICE, 
AFS_FS_PORT);
                if (!alist)
@@ -468,8 +467,7 @@ static int afs_deliver_yfsvl_get_endpoints(struct afs_call 
*call)
                        size = sizeof(__be32) * (1 + 4 + 1);
                        break;
                default:
-                       return afs_protocol_error(call, -EBADMSG,
-                                                 afs_eproto_yvl_fsendpt_type);
+                       return afs_protocol_error(call, 
afs_eproto_yvl_fsendpt_type);
                }
 
                size += sizeof(__be32);
@@ -487,21 +485,20 @@ static int afs_deliver_yfsvl_get_endpoints(struct 
afs_call *call)
                switch (call->count2) {
                case YFS_ENDPOINT_IPV4:
                        if (ntohl(bp[0]) != sizeof(__be32) * 2)
-                               return afs_protocol_error(call, -EBADMSG,
-                                                         
afs_eproto_yvl_fsendpt4_len);
+                               return afs_protocol_error(
+                                       call, afs_eproto_yvl_fsendpt4_len);
                        afs_merge_fs_addr4(alist, bp[1], ntohl(bp[2]));
                        bp += 3;
                        break;
                case YFS_ENDPOINT_IPV6:
                        if (ntohl(bp[0]) != sizeof(__be32) * 5)
-                               return afs_protocol_error(call, -EBADMSG,
-                                                         
afs_eproto_yvl_fsendpt6_len);
+                               return afs_protocol_error(
+                                       call, afs_eproto_yvl_fsendpt6_len);
                        afs_merge_fs_addr6(alist, bp + 1, ntohl(bp[5]));
                        bp += 6;
                        break;
                default:
-                       return afs_protocol_error(call, -EBADMSG,
-                                                 afs_eproto_yvl_fsendpt_type);
+                       return afs_protocol_error(call, 
afs_eproto_yvl_fsendpt_type);
                }
 
                /* Got either the type of the next entry or the count of
@@ -519,8 +516,7 @@ static int afs_deliver_yfsvl_get_endpoints(struct afs_call 
*call)
                if (!call->count)
                        goto end;
                if (call->count > YFS_MAXENDPOINTS)
-                       return afs_protocol_error(call, -EBADMSG,
-                                                 afs_eproto_yvl_vlendpt_type);
+                       return afs_protocol_error(call, 
afs_eproto_yvl_vlendpt_type);
 
                afs_extract_to_buf(call, 1 * sizeof(__be32));
                call->unmarshall = 3;
@@ -547,8 +543,7 @@ static int afs_deliver_yfsvl_get_endpoints(struct afs_call 
*call)
                        size = sizeof(__be32) * (1 + 4 + 1);
                        break;
                default:
-                       return afs_protocol_error(call, -EBADMSG,
-                                                 afs_eproto_yvl_vlendpt_type);
+                       return afs_protocol_error(call, 
afs_eproto_yvl_vlendpt_type);
                }
 
                if (call->count > 1)
@@ -566,19 +561,18 @@ static int afs_deliver_yfsvl_get_endpoints(struct 
afs_call *call)
                switch (call->count2) {
                case YFS_ENDPOINT_IPV4:
                        if (ntohl(bp[0]) != sizeof(__be32) * 2)
-                               return afs_protocol_error(call, -EBADMSG,
-                                                         
afs_eproto_yvl_vlendpt4_len);
+                               return afs_protocol_error(
+                                       call, afs_eproto_yvl_vlendpt4_len);
                        bp += 3;
                        break;
                case YFS_ENDPOINT_IPV6:
                        if (ntohl(bp[0]) != sizeof(__be32) * 5)
-                               return afs_protocol_error(call, -EBADMSG,
-                                                         
afs_eproto_yvl_vlendpt6_len);
+                               return afs_protocol_error(
+                                       call, afs_eproto_yvl_vlendpt6_len);
                        bp += 6;
                        break;
                default:
-                       return afs_protocol_error(call, -EBADMSG,
-                                                 afs_eproto_yvl_vlendpt_type);
+                       return afs_protocol_error(call, 
afs_eproto_yvl_vlendpt_type);
                }
 
                /* Got either the type of the next entry or the count of
diff --git a/fs/afs/yfsclient.c b/fs/afs/yfsclient.c
index f118daa5f33a4..bf74c679c02bc 100644
--- a/fs/afs/yfsclient.c
+++ b/fs/afs/yfsclient.c
@@ -226,7 +226,7 @@ advance:
 
 bad:
        xdr_dump_bad(*_bp);
-       afs_protocol_error(call, -EBADMSG, afs_eproto_bad_status);
+       afs_protocol_error(call, afs_eproto_bad_status);
        goto advance;
 }
 
@@ -1426,8 +1426,7 @@ static int yfs_deliver_fs_get_volume_status(struct 
afs_call *call)
                call->count = ntohl(call->tmp);
                _debug("volname length: %u", call->count);
                if (call->count >= AFSNAMEMAX)
-                       return afs_protocol_error(call, -EBADMSG,
-                                                 afs_eproto_volname_len);
+                       return afs_protocol_error(call, afs_eproto_volname_len);
                size = (call->count + 3) & ~3; /* It's padded */
                afs_extract_to_buf(call, size);
                call->unmarshall++;
@@ -1456,8 +1455,7 @@ static int yfs_deliver_fs_get_volume_status(struct 
afs_call *call)
                call->count = ntohl(call->tmp);
                _debug("offline msg length: %u", call->count);
                if (call->count >= AFSNAMEMAX)
-                       return afs_protocol_error(call, -EBADMSG,
-                                                 afs_eproto_offline_msg_len);
+                       return afs_protocol_error(call, 
afs_eproto_offline_msg_len);
                size = (call->count + 3) & ~3; /* It's padded */
                afs_extract_to_buf(call, size);
                call->unmarshall++;
@@ -1487,8 +1485,7 @@ static int yfs_deliver_fs_get_volume_status(struct 
afs_call *call)
                call->count = ntohl(call->tmp);
                _debug("motd length: %u", call->count);
                if (call->count >= AFSNAMEMAX)
-                       return afs_protocol_error(call, -EBADMSG,
-                                                 afs_eproto_motd_len);
+                       return afs_protocol_error(call, afs_eproto_motd_len);
                size = (call->count + 3) & ~3; /* It's padded */
                afs_extract_to_buf(call, size);
                call->unmarshall++;
@@ -1797,8 +1794,7 @@ static int yfs_deliver_fs_inline_bulk_status(struct 
afs_call *call)
                tmp = ntohl(call->tmp);
                _debug("status count: %u/%u", tmp, call->count2);
                if (tmp != call->count2)
-                       return afs_protocol_error(call, -EBADMSG,
-                                                 afs_eproto_ibulkst_count);
+                       return afs_protocol_error(call, 
afs_eproto_ibulkst_count);
 
                call->count = 0;
                call->unmarshall++;
@@ -1835,8 +1831,7 @@ static int yfs_deliver_fs_inline_bulk_status(struct 
afs_call *call)
                tmp = ntohl(call->tmp);
                _debug("CB count: %u", tmp);
                if (tmp != call->count2)
-                       return afs_protocol_error(call, -EBADMSG,
-                                                 afs_eproto_ibulkst_cb_count);
+                       return afs_protocol_error(call, 
afs_eproto_ibulkst_cb_count);
                call->count = 0;
                call->unmarshall++;
        more_cbs:
diff --git a/include/trace/events/afs.h b/include/trace/events/afs.h
index c612cabbc378f..93eddd32bd741 100644
--- a/include/trace/events/afs.h
+++ b/include/trace/events/afs.h
@@ -988,24 +988,22 @@ TRACE_EVENT(afs_edit_dir,
            );
 
 TRACE_EVENT(afs_protocol_error,
-           TP_PROTO(struct afs_call *call, int error, enum afs_eproto_cause 
cause),
+           TP_PROTO(struct afs_call *call, enum afs_eproto_cause cause),
 
-           TP_ARGS(call, error, cause),
+           TP_ARGS(call, cause),
 
            TP_STRUCT__entry(
                    __field(unsigned int,               call            )
-                   __field(int,                        error           )
                    __field(enum afs_eproto_cause,      cause           )
                             ),
 
            TP_fast_assign(
                    __entry->call = call ? call->debug_id : 0;
-                   __entry->error = error;
                    __entry->cause = cause;
                           ),
 
-           TP_printk("c=%08x r=%d %s",
-                     __entry->call, __entry->error,
+           TP_printk("c=%08x %s",
+                     __entry->call,
                      __print_symbolic(__entry->cause, afs_eproto_causes))
            );
 
-- 
2.25.1



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