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-rw-r--r--drivers/scsi/fnic/fnic_debugfs.c88
-rw-r--r--drivers/scsi/fnic/fnic_main.c7
-rw-r--r--drivers/scsi/fnic/fnic_stats.h2
-rw-r--r--drivers/scsi/fnic/fnic_trace.c17
-rw-r--r--drivers/scsi/fnic/fnic_trace.h4
5 files changed, 10 insertions, 108 deletions
diff --git a/drivers/scsi/fnic/fnic_debugfs.c b/drivers/scsi/fnic/fnic_debugfs.c
index 139fffa3658a..21991c99db7c 100644
--- a/drivers/scsi/fnic/fnic_debugfs.c
+++ b/drivers/scsi/fnic/fnic_debugfs.c
@@ -54,23 +54,9 @@ int fnic_debugfs_init(void)
{
int rc = -1;
fnic_trace_debugfs_root = debugfs_create_dir("fnic", NULL);
- if (!fnic_trace_debugfs_root) {
- printk(KERN_DEBUG "Cannot create debugfs root\n");
- return rc;
- }
-
- if (!fnic_trace_debugfs_root) {
- printk(KERN_DEBUG
- "fnic root directory doesn't exist in debugfs\n");
- return rc;
- }
fnic_stats_debugfs_root = debugfs_create_dir("statistics",
fnic_trace_debugfs_root);
- if (!fnic_stats_debugfs_root) {
- printk(KERN_DEBUG "Cannot create Statistics directory\n");
- return rc;
- }
/* Allocate memory to structure */
fc_trc_flag = (struct fc_trace_flag_type *)
@@ -356,39 +342,19 @@ static const struct file_operations fnic_trace_debugfs_fops = {
* it will also create file trace_enable to control enable/disable of
* trace logging into trace buffer.
*/
-int fnic_trace_debugfs_init(void)
+void fnic_trace_debugfs_init(void)
{
- int rc = -1;
- if (!fnic_trace_debugfs_root) {
- printk(KERN_DEBUG
- "FNIC Debugfs root directory doesn't exist\n");
- return rc;
- }
fnic_trace_enable = debugfs_create_file("tracing_enable",
S_IFREG|S_IRUGO|S_IWUSR,
fnic_trace_debugfs_root,
&(fc_trc_flag->fnic_trace),
&fnic_trace_ctrl_fops);
- if (!fnic_trace_enable) {
- printk(KERN_DEBUG
- "Cannot create trace_enable file under debugfs\n");
- return rc;
- }
-
fnic_trace_debugfs_file = debugfs_create_file("trace",
S_IFREG|S_IRUGO|S_IWUSR,
fnic_trace_debugfs_root,
&(fc_trc_flag->fnic_trace),
&fnic_trace_debugfs_fops);
-
- if (!fnic_trace_debugfs_file) {
- printk(KERN_DEBUG
- "Cannot create trace file under debugfs\n");
- return rc;
- }
- rc = 0;
- return rc;
}
/*
@@ -419,37 +385,20 @@ void fnic_trace_debugfs_terminate(void)
* trace logging into trace buffer.
*/
-int fnic_fc_trace_debugfs_init(void)
+void fnic_fc_trace_debugfs_init(void)
{
- int rc = -1;
-
- if (!fnic_trace_debugfs_root) {
- pr_err("fnic:Debugfs root directory doesn't exist\n");
- return rc;
- }
-
fnic_fc_trace_enable = debugfs_create_file("fc_trace_enable",
S_IFREG|S_IRUGO|S_IWUSR,
fnic_trace_debugfs_root,
&(fc_trc_flag->fc_trace),
&fnic_trace_ctrl_fops);
- if (!fnic_fc_trace_enable) {
- pr_err("fnic: Failed create fc_trace_enable file\n");
- return rc;
- }
-
fnic_fc_trace_clear = debugfs_create_file("fc_trace_clear",
S_IFREG|S_IRUGO|S_IWUSR,
fnic_trace_debugfs_root,
&(fc_trc_flag->fc_clear),
&fnic_trace_ctrl_fops);
- if (!fnic_fc_trace_clear) {
- pr_err("fnic: Failed to create fc_trace_enable file\n");
- return rc;
- }
-
fnic_fc_rdata_trace_debugfs_file =
debugfs_create_file("fc_trace_rdata",
S_IFREG|S_IRUGO|S_IWUSR,
@@ -457,24 +406,12 @@ int fnic_fc_trace_debugfs_init(void)
&(fc_trc_flag->fc_normal_file),
&fnic_trace_debugfs_fops);
- if (!fnic_fc_rdata_trace_debugfs_file) {
- pr_err("fnic: Failed create fc_rdata_trace file\n");
- return rc;
- }
-
fnic_fc_trace_debugfs_file =
debugfs_create_file("fc_trace",
S_IFREG|S_IRUGO|S_IWUSR,
fnic_trace_debugfs_root,
&(fc_trc_flag->fc_row_file),
&fnic_trace_debugfs_fops);
-
- if (!fnic_fc_trace_debugfs_file) {
- pr_err("fnic: Failed to create fc_trace file\n");
- return rc;
- }
- rc = 0;
- return rc;
}
/*
@@ -757,45 +694,26 @@ static const struct file_operations fnic_reset_debugfs_fops = {
* It will create file stats and reset_stats under statistics/host# directory
* to log per fnic stats.
*/
-int fnic_stats_debugfs_init(struct fnic *fnic)
+void fnic_stats_debugfs_init(struct fnic *fnic)
{
- int rc = -1;
char name[16];
snprintf(name, sizeof(name), "host%d", fnic->lport->host->host_no);
- if (!fnic_stats_debugfs_root) {
- printk(KERN_DEBUG "fnic_stats root doesn't exist\n");
- return rc;
- }
fnic->fnic_stats_debugfs_host = debugfs_create_dir(name,
fnic_stats_debugfs_root);
- if (!fnic->fnic_stats_debugfs_host) {
- printk(KERN_DEBUG "Cannot create host directory\n");
- return rc;
- }
fnic->fnic_stats_debugfs_file = debugfs_create_file("stats",
S_IFREG|S_IRUGO|S_IWUSR,
fnic->fnic_stats_debugfs_host,
fnic,
&fnic_stats_debugfs_fops);
- if (!fnic->fnic_stats_debugfs_file) {
- printk(KERN_DEBUG "Cannot create host stats file\n");
- return rc;
- }
fnic->fnic_reset_debugfs_file = debugfs_create_file("reset_stats",
S_IFREG|S_IRUGO|S_IWUSR,
fnic->fnic_stats_debugfs_host,
fnic,
&fnic_reset_debugfs_fops);
- if (!fnic->fnic_reset_debugfs_file) {
- printk(KERN_DEBUG "Cannot create host stats file\n");
- return rc;
- }
- rc = 0;
- return rc;
}
/*
diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c
index 0f42114be2d1..18584ab27c32 100644
--- a/drivers/scsi/fnic/fnic_main.c
+++ b/drivers/scsi/fnic/fnic_main.c
@@ -586,12 +586,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
host->transportt = fnic_fc_transport;
- err = fnic_stats_debugfs_init(fnic);
- if (err) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "Failed to initialize debugfs for stats\n");
- fnic_stats_debugfs_remove(fnic);
- }
+ fnic_stats_debugfs_init(fnic);
/* Setup PCI resources */
pci_set_drvdata(pdev, fnic);
diff --git a/drivers/scsi/fnic/fnic_stats.h b/drivers/scsi/fnic/fnic_stats.h
index 1b1006a882e9..086f729f3c46 100644
--- a/drivers/scsi/fnic/fnic_stats.h
+++ b/drivers/scsi/fnic/fnic_stats.h
@@ -138,6 +138,6 @@ struct stats_debug_info {
};
int fnic_get_stats_data(struct stats_debug_info *, struct fnic_stats *);
-int fnic_stats_debugfs_init(struct fnic *);
+void fnic_stats_debugfs_init(struct fnic *);
void fnic_stats_debugfs_remove(struct fnic *);
#endif /* _FNIC_STATS_H_ */
diff --git a/drivers/scsi/fnic/fnic_trace.c b/drivers/scsi/fnic/fnic_trace.c
index ce32380a182e..9621831e17ba 100644
--- a/drivers/scsi/fnic/fnic_trace.c
+++ b/drivers/scsi/fnic/fnic_trace.c
@@ -514,15 +514,10 @@ int fnic_trace_buf_init(void)
fnic_trace_entries.page_offset[i] = fnic_buf_head;
fnic_buf_head += FNIC_ENTRY_SIZE_BYTES;
}
- err = fnic_trace_debugfs_init();
- if (err < 0) {
- pr_err("fnic: Failed to initialize debugfs for tracing\n");
- goto err_fnic_trace_debugfs_init;
- }
+ fnic_trace_debugfs_init();
pr_info("fnic: Successfully Initialized Trace Buffer\n");
return err;
-err_fnic_trace_debugfs_init:
- fnic_trace_free();
+
err_fnic_trace_buf_init:
return err;
}
@@ -607,16 +602,10 @@ int fnic_fc_trace_init(void)
fc_trace_entries.page_offset[i] = fc_trace_buf_head;
fc_trace_buf_head += FC_TRC_SIZE_BYTES;
}
- err = fnic_fc_trace_debugfs_init();
- if (err < 0) {
- pr_err("fnic: Failed to initialize FC_CTLR tracing.\n");
- goto err_fnic_fc_ctlr_trace_debugfs_init;
- }
+ fnic_fc_trace_debugfs_init();
pr_info("fnic: Successfully Initialized FC_CTLR Trace Buffer\n");
return err;
-err_fnic_fc_ctlr_trace_debugfs_init:
- fnic_fc_trace_free();
err_fnic_fc_ctlr_trace_buf_init:
return err;
}
diff --git a/drivers/scsi/fnic/fnic_trace.h b/drivers/scsi/fnic/fnic_trace.h
index e375d0c2eaaf..8aa55c1e2025 100644
--- a/drivers/scsi/fnic/fnic_trace.h
+++ b/drivers/scsi/fnic/fnic_trace.h
@@ -111,7 +111,7 @@ int fnic_trace_buf_init(void);
void fnic_trace_free(void);
int fnic_debugfs_init(void);
void fnic_debugfs_terminate(void);
-int fnic_trace_debugfs_init(void);
+void fnic_trace_debugfs_init(void);
void fnic_trace_debugfs_terminate(void);
/* Fnic FC CTLR Trace releated function */
@@ -123,7 +123,7 @@ int fnic_fc_trace_get_data(fnic_dbgfs_t *fnic_dbgfs_prt, u8 rdata_flag);
void copy_and_format_trace_data(struct fc_trace_hdr *tdata,
fnic_dbgfs_t *fnic_dbgfs_prt,
int *len, u8 rdata_flag);
-int fnic_fc_trace_debugfs_init(void);
+void fnic_fc_trace_debugfs_init(void);
void fnic_fc_trace_debugfs_terminate(void);
#endif