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From: Christoph Hellwig <hch@lst.de>
To: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Luis Chamberlain <mcgrof@kernel.org>,
	Kees Cook <keescook@chromium.org>,
	Iurii Zaikin <yzaikin@google.com>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	build test robot <lkp@intel.com>
Subject: [PATCH 1/2] cdrom: fix an incorrect __user annotation on cdrom_sysctl_info
Date: Tue,  9 Jun 2020 19:08:18 +0200	[thread overview]
Message-ID: <20200609170819.52353-2-hch@lst.de> (raw)
In-Reply-To: <20200609170819.52353-1-hch@lst.de>

No user pointers for sysctls anymore.

Fixes: 32927393dc1c ("sysctl: pass kernel pointers to ->proc_handler")
Reported-by: build test robot <lkp@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/cdrom/cdrom.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index e3bbe108eb542f..410060812e9dbf 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -3518,7 +3518,7 @@ static int cdrom_print_info(const char *header, int val, char *info,
 }
 
 static int cdrom_sysctl_info(struct ctl_table *ctl, int write,
-                           void __user *buffer, size_t *lenp, loff_t *ppos)
+                           void *buffer, size_t *lenp, loff_t *ppos)
 {
 	int pos;
 	char *info = cdrom_sysctl_settings.info;
-- 
2.26.2


  reply	other threads:[~2020-06-09 17:12 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-09 17:08 two more fixes for sysctl Christoph Hellwig
2020-06-09 17:08 ` Christoph Hellwig [this message]
2020-06-09 17:08 ` [PATCH 2/2] sysctl: reject gigantic reads/write to sysctl files Christoph Hellwig
2020-06-09 17:30 ` two more fixes for sysctl Luis Chamberlain
2020-06-10  4:28 ` Al Viro

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