Commit | Line | Data |
---|---|---|
34e49164 C |
1 | // - if(copy_from_user(&x, arg)) does not work. |
2 | // the if-isomorphism does not work :( | |
3 | ||
4 | @@ | |
5 | type T; | |
6 | identifier x, fld; | |
7 | function ioctl; // should be caracterised by another rule | |
8 | @@ | |
9 | ||
10 | ||
11 | ioctl(..., void *arg, ...) { | |
12 | <... | |
13 | - T x; | |
14 | + T *x = arg; | |
15 | ... | |
16 | - if(copy_from_user(&x, arg)!=0) | |
17 | - { ... return ...; } | |
18 | <... | |
19 | ( | |
20 | - x.fld | |
21 | + x->fld | |
22 | | | |
23 | - &x | |
24 | + x | |
25 | ) | |
26 | ...> | |
27 | - if(copy_to_user(arg, &x)) | |
28 | - { ... return ...; } | |
29 | ...> | |
30 | } |