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scsi: qedf: no need to check return value of debugfs_create functions 

When calling debugfs functions, there is no need to ever check the return
value.  The function can work or not, but the code logic should never do
something different based on this.

Cc: QLogic-Storage-Upstream@cavium.com
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Manish Rangankar <mrangankar@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Greg Kroah-Hartman 2019-01-22 16:09:05 +01:00 committed by Martin K. Petersen
parent 50e931679a
commit 26febfb38c
2 changed files with 4 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/scsi/qedf/qedf_debugfs.c
View File

@ -27,30 +27,19 @@ qedf_dbg_host_init(struct qedf_dbg_ctx *qedf,
const struct file_operations *fops)
{
char host_dirname[32];
struct dentry *file_dentry = NULL;
QEDF_INFO(qedf, QEDF_LOG_DEBUGFS, "Creating debugfs host node\n");
/* create pf dir */
sprintf(host_dirname, "host%u", qedf->host_no);
qedf->bdf_dentry = debugfs_create_dir(host_dirname, qedf_dbg_root);
if (!qedf->bdf_dentry)
return;
/* create debugfs files */
while (dops) {
if (!(dops->name))
break;
file_dentry = debugfs_create_file(dops->name, 0600,
qedf->bdf_dentry, qedf,
fops);
if (!file_dentry) {
QEDF_INFO(qedf, QEDF_LOG_DEBUGFS,
"Debugfs entry %s creation failed\n",
dops->name);
debugfs_remove_recursive(qedf->bdf_dentry);
return;
}
debugfs_create_file(dops->name, 0600, qedf->bdf_dentry, qedf,
fops);
dops++;
fops++;
}
@ -80,9 +69,6 @@ qedf_dbg_init(char *drv_name)
/* create qed dir in root of debugfs. NULL means debugfs root */
qedf_dbg_root = debugfs_create_dir(drv_name, NULL);
if (!qedf_dbg_root)
QEDF_INFO(NULL, QEDF_LOG_DEBUGFS, "Init of debugfs "
"failed\n");
}
/**

17
drivers/scsi/qedi/qedi_debugfs.c
View File

@ -23,27 +23,16 @@ qedi_dbg_host_init(struct qedi_dbg_ctx *qedi,
const struct file_operations *fops)
{
char host_dirname[32];
struct dentry *file_dentry = NULL;
sprintf(host_dirname, "host%u", qedi->host_no);
qedi->bdf_dentry = debugfs_create_dir(host_dirname, qedi_dbg_root);
if (!qedi->bdf_dentry)
return;
while (dops) {
if (!(dops->name))
break;
file_dentry = debugfs_create_file(dops->name, 0600,
qedi->bdf_dentry, qedi,
fops);
if (!file_dentry) {
QEDI_INFO(qedi, QEDI_LOG_DEBUGFS,
"Debugfs entry %s creation failed\n",
dops->name);
debugfs_remove_recursive(qedi->bdf_dentry);
return;
}
debugfs_create_file(dops->name, 0600, qedi->bdf_dentry, qedi,
fops);
dops++;
fops++;
}
@ -60,8 +49,6 @@ void
qedi_dbg_init(char *drv_name)
{
qedi_dbg_root = debugfs_create_dir(drv_name, NULL);
if (!qedi_dbg_root)
QEDI_INFO(NULL, QEDI_LOG_DEBUGFS, "Init of debugfs failed\n");
}
void