It was just calling debugfs_create_file() so unwind things and just call
the real function instead.  This ends up saving a number of lines as
there was never any error handling happening anyway, so that all can be
removed as well.

Cc: Oleg Drokin <oleg.dro...@intel.com>
Cc: Andreas Dilger <andreas.dil...@intel.com>
Cc: James Simmons <jsimm...@infradead.org>
Cc: Quentin Bouget <quentin.bou...@cea.fr>
Cc: Ben Evans <bev...@cray.com>
Cc: NeilBrown <ne...@suse.com>
Cc: Arushi Singhal <arushisinghal19971...@gmail.com>
Cc: Arvind Yadav <arvind.yadav...@gmail.com>
Cc: Julia Lawall <julia.law...@lip6.fr>
Cc: Dafna Hirschfeld <daf...@gmail.com>
Cc: Mathias Rav <mathias...@gmail.com>
Cc: "Gustavo A. R. Silva" <garsi...@embeddedor.com>
Cc: Roman Storozhenko <romeusmeis...@gmail.com>
Cc: lustre-de...@lists.lustre.org
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 .../lustre/lustre/include/lprocfs_status.h    |  6 ------
 .../lustre/lustre/obdclass/lprocfs_status.c   | 11 ----------
 drivers/staging/lustre/lustre/osc/lproc_osc.c | 10 +++------
 .../staging/lustre/lustre/osc/osc_internal.h  |  2 +-
 .../staging/lustre/lustre/ptlrpc/sec_lproc.c  | 21 ++++---------------
 5 files changed, 8 insertions(+), 42 deletions(-)

diff --git a/drivers/staging/lustre/lustre/include/lprocfs_status.h 
b/drivers/staging/lustre/lustre/include/lprocfs_status.h
index 54abcc2eaeb6..cc230c520189 100644
--- a/drivers/staging/lustre/lustre/include/lprocfs_status.h
+++ b/drivers/staging/lustre/lustre/include/lprocfs_status.h
@@ -465,12 +465,6 @@ int lprocfs_obd_setup(struct obd_device *obd, struct 
lprocfs_vars *list,
                      const struct attribute_group *attrs);
 int lprocfs_obd_cleanup(struct obd_device *obd);
 
-int ldebugfs_obd_seq_create(struct obd_device *dev,
-                           const char *name,
-                           umode_t mode,
-                           const struct file_operations *seq_fops,
-                           void *data);
-
 /* Generic callbacks */
 
 int lprocfs_rd_uint(struct seq_file *m, void *data);
diff --git a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c 
b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
index 6e0ea4e76a1b..6e306cafa95a 100644
--- a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
+++ b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
@@ -1538,17 +1538,6 @@ char *lprocfs_find_named_value(const char *buffer, const 
char *name,
 }
 EXPORT_SYMBOL(lprocfs_find_named_value);
 
-int ldebugfs_obd_seq_create(struct obd_device *dev,
-                           const char *name,
-                           umode_t mode,
-                           const struct file_operations *seq_fops,
-                           void *data)
-{
-       debugfs_create_file(name, mode, dev->obd_debugfs_entry, data, seq_fops);
-       return 0;
-}
-EXPORT_SYMBOL_GPL(ldebugfs_obd_seq_create);
-
 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value)
 {
        if (value >= OBD_HIST_MAX)
diff --git a/drivers/staging/lustre/lustre/osc/lproc_osc.c 
b/drivers/staging/lustre/lustre/osc/lproc_osc.c
index 31f49f3fca59..6a705bc5420c 100644
--- a/drivers/staging/lustre/lustre/osc/lproc_osc.c
+++ b/drivers/staging/lustre/lustre/osc/lproc_osc.c
@@ -801,16 +801,12 @@ static ssize_t osc_stats_seq_write(struct file *file,
 
 LPROC_SEQ_FOPS(osc_stats);
 
-int lproc_osc_attach_seqstat(struct obd_device *dev)
+void lproc_osc_attach_seqstat(struct obd_device *dev)
 {
-       int rc;
-
        debugfs_create_file("osc_stats", 0644, dev->obd_debugfs_entry, dev,
                            &osc_stats_fops);
-       rc = ldebugfs_obd_seq_create(dev, "rpc_stats", 0644,
-                                    &osc_rpc_stats_fops, dev);
-
-       return rc;
+       debugfs_create_file("rpc_stats", 0644, dev->obd_debugfs_entry, dev,
+                           &osc_rpc_stats_fops);
 }
 
 static struct attribute *osc_attrs[] = {
diff --git a/drivers/staging/lustre/lustre/osc/osc_internal.h 
b/drivers/staging/lustre/lustre/osc/osc_internal.h
index fca020568c19..4ddba1354bef 100644
--- a/drivers/staging/lustre/lustre/osc/osc_internal.h
+++ b/drivers/staging/lustre/lustre/osc/osc_internal.h
@@ -141,7 +141,7 @@ unsigned long osc_ldlm_weigh_ast(struct ldlm_lock *dlmlock);
 
 int osc_setup(struct obd_device *obd, struct lustre_cfg *lcfg);
 
-int lproc_osc_attach_seqstat(struct obd_device *dev);
+void lproc_osc_attach_seqstat(struct obd_device *dev);
 void lprocfs_osc_init_vars(struct lprocfs_static_vars *lvars);
 
 extern struct lu_device_type osc_device_type;
diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec_lproc.c 
b/drivers/staging/lustre/lustre/ptlrpc/sec_lproc.c
index fd609b63d2de..cd1bb3dabb63 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/sec_lproc.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/sec_lproc.c
@@ -133,8 +133,6 @@ LPROC_SEQ_FOPS_RO(sptlrpc_ctxs_lprocfs);
 
 int sptlrpc_lprocfs_cliobd_attach(struct obd_device *dev)
 {
-       int rc;
-
        if (strcmp(dev->obd_type->typ_name, LUSTRE_OSC_NAME) != 0 &&
            strcmp(dev->obd_type->typ_name, LUSTRE_MDC_NAME) != 0 &&
            strcmp(dev->obd_type->typ_name, LUSTRE_MGC_NAME) != 0) {
@@ -143,21 +141,10 @@ int sptlrpc_lprocfs_cliobd_attach(struct obd_device *dev)
                return -EINVAL;
        }
 
-       rc = ldebugfs_obd_seq_create(dev, "srpc_info", 0444,
-                                    &sptlrpc_info_lprocfs_fops, dev);
-       if (rc) {
-               CERROR("create proc entry srpc_info for %s: %d\n",
-                      dev->obd_name, rc);
-               return rc;
-       }
-
-       rc = ldebugfs_obd_seq_create(dev, "srpc_contexts", 0444,
-                                    &sptlrpc_ctxs_lprocfs_fops, dev);
-       if (rc) {
-               CERROR("create proc entry srpc_contexts for %s: %d\n",
-                      dev->obd_name, rc);
-               return rc;
-       }
+       debugfs_create_file("srpc_info", 0444, dev->obd_debugfs_entry, dev,
+                           &sptlrpc_info_lprocfs_fops);
+       debugfs_create_file("srpc_contexts", 0444, dev->obd_debugfs_entry, dev,
+                           &sptlrpc_ctxs_lprocfs_fops);
 
        return 0;
 }
-- 
2.17.0

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