diff options
| author | Julia Lawall <julia@diku.dk> | 2010-05-26 14:42:32 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-27 09:12:42 -0700 |
| commit | b8d6b0d6b6882a53e4586a07e1292223d55299d1 (patch) | |
| tree | 057cd0237cbd37ccd17d497a415163432a8be9b1 /fs | |
| parent | 8fc809d17984f18fbad7ae23e47a62b195969c19 (diff) | |
| download | linux-3.10-b8d6b0d6b6882a53e4586a07e1292223d55299d1.tar.gz linux-3.10-b8d6b0d6b6882a53e4586a07e1292223d55299d1.tar.bz2 linux-3.10-b8d6b0d6b6882a53e4586a07e1292223d55299d1.zip | |
drivers/telephony/ixj.c: 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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
0 files changed, 0 insertions, 0 deletions