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| author | Paul Mundt <lethal@linux-sh.org> | 2009-04-22 09:27:47 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-04-22 09:27:47 +0900 |
| commit | 99ce567ba912109c78762246c964327f3f81f27d (patch) | |
| tree | 685265d60792c11d386db6c005ca8b8e714ecc23 /fs/xfs/linux-2.6/xfs_ioctl.c | |
| parent | 8fb2bae4b41eb64f6e233e9bd3f3a789fbb04a06 (diff) | |
| parent | ccc5ff94c66e628d3c501b26ace5d4339667715d (diff) | |
| download | linux-99ce567ba912109c78762246c964327f3f81f27d.tar.bz2 | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_ioctl.c')
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_ioctl.c | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c index d0b499418a7d..34eaab608e6e 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl.c +++ b/fs/xfs/linux-2.6/xfs_ioctl.c @@ -489,17 +489,12 @@ xfs_attrmulti_attr_set( if (len > XATTR_SIZE_MAX) return EINVAL; - kbuf = kmalloc(len, GFP_KERNEL); - if (!kbuf) - return ENOMEM; - - if (copy_from_user(kbuf, ubuf, len)) - goto out_kfree; + kbuf = memdup_user(ubuf, len); + if (IS_ERR(kbuf)) + return PTR_ERR(kbuf); error = xfs_attr_set(XFS_I(inode), name, kbuf, len, flags); - out_kfree: - kfree(kbuf); return error; } @@ -540,20 +535,16 @@ xfs_attrmulti_by_handle( if (!size || size > 16 * PAGE_SIZE) goto out_dput; - error = ENOMEM; - ops = kmalloc(size, GFP_KERNEL); - if (!ops) + ops = memdup_user(am_hreq.ops, size); + if (IS_ERR(ops)) { + error = PTR_ERR(ops); goto out_dput; - - error = EFAULT; - if (copy_from_user(ops, am_hreq.ops, size)) - goto out_kfree_ops; + } attr_name = kmalloc(MAXNAMELEN, GFP_KERNEL); if (!attr_name) goto out_kfree_ops; - error = 0; for (i = 0; i < am_hreq.opcount; i++) { ops[i].am_error = strncpy_from_user(attr_name, |