[PATCH] block: aoe: no need to check return value of debugfs_create functions

Greg Kroah-Hartman
2019-01-22T15:27:01Z

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: "Ed L. Cashin" <ed.cashin@acm.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/block/aoe/aoeblk.c | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index e2c6aae2d636..b602646bfa04 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -207,14 +207,7 @@ aoedisk_add_debugfs(struct aoedev *d)
else
p++;
BUG_ON(*p == '\0');
- entry = debugfs_create_file(p, 0444, aoe_debugfs_dir, d,
- &aoe_debugfs_fops);
- if (IS_ERR_OR_NULL(entry)) {
- pr_info("aoe: cannot create debugfs file for %s\n",
- d->gd->disk_name);
- return;
- }
- BUG_ON(d->debugfs);
+ debugfs_create_file(p, 0444, aoe_debugfs_dir, d, &aoe_debugfs_fops);
d->debugfs = entry;
}
void
@@ -472,10 +465,6 @@ aoeblk_init(void)
if (buf_pool_cache == NULL)
return -ENOMEM;
aoe_debugfs_dir = debugfs_create_dir("aoe", NULL);
- if (IS_ERR_OR_NULL(aoe_debugfs_dir)) {
- pr_info("aoe: cannot create debugfs directory\n");
- aoe_debugfs_dir = NULL;
- }
return 0;
}

--
2.20.1