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infiniband: qib: 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.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Greg Kroah-Hartman 2019-01-22 16:17:56 +01:00 committed by Jason Gunthorpe
parent e775118025
commit 0d0336cf54
1 changed files with 8 additions and 19 deletions
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27
drivers/infiniband/hw/qib/qib_debugfs.c
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@ -66,15 +66,6 @@ static const struct file_operations _##name##_file_ops = { \
.release = seq_release \
};
#define DEBUGFS_FILE_CREATE(name) \
do { \
struct dentry *ent; \
ent = debugfs_create_file(#name , 0400, ibd->qib_ibdev_dbg, \
ibd, &_##name##_file_ops); \
if (!ent) \
pr_warn("create of " #name " failed\n"); \
} while (0)
static void *_opcode_stats_seq_start(struct seq_file *s, loff_t *pos)
{
struct qib_opcode_stats_perctx *opstats;
@ -249,17 +240,17 @@ DEBUGFS_FILE(qp_stats)
void qib_dbg_ibdev_init(struct qib_ibdev *ibd)
{
struct dentry *root;
char name[10];
snprintf(name, sizeof(name), "qib%d", dd_from_dev(ibd)->unit);
ibd->qib_ibdev_dbg = debugfs_create_dir(name, qib_dbg_root);
if (!ibd->qib_ibdev_dbg) {
pr_warn("create of %s failed\n", name);
return;
}
DEBUGFS_FILE_CREATE(opcode_stats);
DEBUGFS_FILE_CREATE(ctx_stats);
DEBUGFS_FILE_CREATE(qp_stats);
root = debugfs_create_dir(name, qib_dbg_root);
ibd->qib_ibdev_dbg = root;
debugfs_create_file("opcode_stats", 0400, root, ibd,
&_opcode_stats_file_ops);
debugfs_create_file("ctx_stats", 0400, root, ibd, &_ctx_stats_file_ops);
debugfs_create_file("qp_stats", 0400, root, ibd, &_qp_stats_file_ops);
}
void qib_dbg_ibdev_exit(struct qib_ibdev *ibd)
@ -274,8 +265,6 @@ out:
void qib_dbg_init(void)
{
qib_dbg_root = debugfs_create_dir(QIB_DRV_NAME, NULL);
if (!qib_dbg_root)
pr_warn("init of debugfs failed\n");
}
void qib_dbg_exit(void)