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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-06-03 21:47:54 +0200
committerJens Axboe <axboe@kernel.dk>2019-06-04 13:38:23 -0600
commite0241fb0b94399bb4131da7f29dc92cf5dc1ae71 (patch)
tree7edf7e6c062ed2479ace8997d6dcbd6d06afc70c /drivers/block
parentca09720657fce27f0289dc5082e2cc0c5466eb6d (diff)
downloadlinux-e0241fb0b94399bb4131da7f29dc92cf5dc1ae71.tar.bz2
block: aoe: 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: "Ed L. Cashin" <ed.cashin@acm.org> Cc: linux-block@vger.kernel.org Cc: Omar Sandoval <osandov@osandov.com> Acked-by: Justin Sanders <justin@coraid.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/aoe/aoeblk.c16
1 files changed, 2 insertions, 14 deletions
diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index e2c6aae2d636..bd19f8af950b 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -196,7 +196,6 @@ static const struct file_operations aoe_debugfs_fops = {
static void
aoedisk_add_debugfs(struct aoedev *d)
{
- struct dentry *entry;
char *p;
if (aoe_debugfs_dir == NULL)
@@ -207,15 +206,8 @@ 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);
- d->debugfs = entry;
+ d->debugfs = debugfs_create_file(p, 0444, aoe_debugfs_dir, d,
+ &aoe_debugfs_fops);
}
void
aoedisk_rm_debugfs(struct aoedev *d)
@@ -472,10 +464,6 @@ 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;
}