linux-kernel - [PATCH] mm: gup: fix comment of __get_user

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <1571838707-4994-1-git-send-email-liuxiang_1999@126.com>
Date:   Wed, 23 Oct 2019 21:51:47 +0800
From:   Liu Xiang <liuxiang_1999@....com>
To:     linux-mm@...ck.org
Cc:     linux-kernel@...r.kernel.org, liuxiang_1999@....com
Subject: [PATCH] mm: gup: fix comment of __get_user_pages()

Because nr_pages is unsigned long, it can not be negative.

Signed-off-by: Liu Xiang <liuxiang_1999@....com>
---
 mm/gup.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/mm/gup.c b/mm/gup.c
index 8f236a3..0236954 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -735,10 +735,10 @@ static int check_vma_flags(struct vm_area_struct *vma, unsigned long gup_flags)
  * @nonblocking: whether waiting for disk IO or mmap_sem contention
  *
  * Returns number of pages pinned. This may be fewer than the number
- * requested. If nr_pages is 0 or negative, returns 0. If no pages
- * were pinned, returns -errno. Each page returned must be released
- * with a put_page() call when it is finished with. vmas will only
- * remain valid while mmap_sem is held.
+ * requested. If nr_pages is 0, returns 0. If no pages were pinned,
+ * returns -errno. Each page returned must be released with a
+ * put_page() call when it is finished with. vmas will only remain
+ * valid while mmap_sem is held.
  *
  * Must be called with mmap_sem held.  It may be released.  See below.
  *
-- 
1.9.1