From: Tian Tao <tiantao6@hisilicon.com>
To: <vitaly.wool@konsulko.com>, <sjenning@redhat.com>,
<song.bao.hua@hisilicon.com>, <ddstreet@ieee.org>,
<akpm@linux-foundation.org>
Cc: <linux-mm@kvack.org>
Subject: [PATCH] mm/zswap: fix variable 'entry' is uninitialized when used
Date: Thu, 21 Jan 2021 17:57:10 +0800 [thread overview]
Message-ID: <1611223030-58346-1-git-send-email-tiantao6@hisilicon.com> (raw)
the entry has not been initialized when it is used, so allocate PAGE_SIZE
Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Reported-by: kernel test robot <lkp@intel.com>
---
mm/zswap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/zswap.c b/mm/zswap.c
index 6e0bb61..4b7b6ad 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -944,7 +944,7 @@ static int zswap_writeback_entry(struct zpool *pool, unsigned long handle)
if (!zpool_can_sleep_mapped(pool)) {
- tmp = kmalloc(entry->length, GFP_ATOMIC);
+ tmp = kmalloc(PAGE_SIZE, GFP_ATOMIC);
if (!tmp)
return -ENOMEM;
}
--
2.7.4
next reply other threads:[~2021-01-21 9:57 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-21 9:57 Tian Tao [this message]
2021-01-28 4:09 ` [PATCH] mm/zswap: fix variable 'entry' is uninitialized when used Souptick Joarder
2021-01-28 8:30 ` Vitaly Wool
2021-01-28 8:36 ` Song Bao Hua (Barry Song)
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