From 15ddffcb341392ba56a28a0ff5d19d8f8cde1b80 Mon Sep 17 00:00:00 2001
From: Revanth Rajashekar <revanth.rajashekar@intel.com>
Date: Thu, 27 Jun 2019 16:31:09 -0600
Subject: [PATCH] block: sed-opal: "Never True" conditions
'who' an unsigned variable in stucture opal_session_info
can never be lesser than zero. Hence, the condition
"who < OPAL_ADMIN1" can never be true.
Signed-off-by: Revanth Rajashekar <revanth.rajashekar@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
block/sed-opal.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/block/sed-opal.c b/block/sed-opal.c
index bb8ef7963d11a..c54019c11e916 100644
--- a/block/sed-opal.c
+++ b/block/sed-opal.c
@@ -2114,8 +2114,7 @@ static int opal_lock_unlock(struct opal_dev *dev,
{
int ret;
- if (lk_unlk->session.who < OPAL_ADMIN1 ||
- lk_unlk->session.who > OPAL_USER9)
+ if (lk_unlk->session.who > OPAL_USER9)
return -EINVAL;
mutex_lock(&dev->dev_lock);
@@ -2193,9 +2192,7 @@ static int opal_set_new_pw(struct opal_dev *dev, struct opal_new_pw *opal_pw)
};
int ret;
- if (opal_pw->session.who < OPAL_ADMIN1 ||
- opal_pw->session.who > OPAL_USER9 ||
- opal_pw->new_user_pw.who < OPAL_ADMIN1 ||
+ if (opal_pw->session.who > OPAL_USER9 ||
opal_pw->new_user_pw.who > OPAL_USER9)
return -EINVAL;
--
GitLab