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| author | Julia Lawall <julia@diku.dk> | 2010-05-22 10:21:27 +0200 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2010-05-25 21:10:57 -0700 |
| commit | e642df6a0be93316c0a886766057c4cc510c123d (patch) | |
| tree | 368e4ce5b02668228c9684efd918c59fb2e6e5ee /block/Kconfig.iosched | |
| parent | ec96e2fe954c23a54bfdf2673437a39e193a1822 (diff) | |
| download | op-kernel-dev-e642df6a0be93316c0a886766057c4cc510c123d.zip op-kernel-dev-e642df6a0be93316c0a886766057c4cc510c123d.tar.gz | |
IB/ucm: Use memdup_user()
Use memdup_user when user data is immediately copied into the
allocated region.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
expression from,to,size,flag;
position p;
identifier l1,l2;
@@
- to = \(kmalloc@p\|kzalloc@p\)(size,flag);
+ to = memdup_user(from,size);
if (
- to==NULL
+ IS_ERR(to)
|| ...) {
<+... when != goto l1;
- -ENOMEM
+ PTR_ERR(to)
...+>
}
- if (copy_from_user(to, from, size) != 0) {
- <+... when != goto l2;
- -EFAULT
- ...+>
- }
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Diffstat (limited to 'block/Kconfig.iosched')
0 files changed, 0 insertions, 0 deletions
