From: H Hartley Sweeten <hartleys@visionengravers.com>
To: Linux Kernel <linux-kernel@vger.kernel.org>
Cc: <linux-ext4@vger.kernel.org>, <jack@suse.cz>,
<akpm@linux-foundation.org>, <adilger.kernel@dilger.ca>
Subject: [PATCH] ext3/ioctl.c: quite sparse warnings about different address spaces
Date: Fri, 10 Jun 2011 14:59:05 -0700 [thread overview]
Message-ID: <201106101459.06129.hartleys@visionengravers.com> (raw)
The 'from' argument for copy_from_user and the 'to' argument for
copy_to_user should both be tagged as __user address space.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andreas Dilger <adilger.kernel@dilger.ca>
---
diff --git a/fs/ext3/ioctl.c b/fs/ext3/ioctl.c
index f4090bd..c7f4394 100644
--- a/fs/ext3/ioctl.c
+++ b/fs/ext3/ioctl.c
@@ -285,7 +285,7 @@ group_add_out:
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- if (copy_from_user(&range, (struct fstrim_range *)arg,
+ if (copy_from_user(&range, (struct fstrim_range __user *)arg,
sizeof(range)))
return -EFAULT;
@@ -293,7 +293,7 @@ group_add_out:
if (ret < 0)
return ret;
- if (copy_to_user((struct fstrim_range *)arg, &range,
+ if (copy_to_user((struct fstrim_range __user *)arg, &range,
sizeof(range)))
return -EFAULT;
next reply other threads:[~2011-06-10 21:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-10 21:59 H Hartley Sweeten [this message]
2011-06-13 13:47 ` [PATCH] ext3/ioctl.c: quite sparse warnings about different address spaces Jan Kara
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