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author | Julia Lawall <julia@diku.dk> | 2010-05-22 12:25:44 +0400 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2010-06-03 00:13:32 +0400 |
commit | a906b060b069d84e9d2b7fe60cc7a7f893be4c0c (patch) | |
tree | ec8a833d656f14bd255c8385b169462dbb3c766f /drivers/net/wireless/prism54/isl_ioctl.h | |
parent | b7b1b512287d6917d4976a4ee0e7d72c4edf52eb (diff) | |
download | linux-a906b060b069d84e9d2b7fe60cc7a7f893be4c0c.tar.xz |
drivers/net/wireless/prism54: 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: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/prism54/isl_ioctl.h')
0 files changed, 0 insertions, 0 deletions