]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
drivers/ide/{cs5530.c,sc1200.c}: Move a dereference below a NULL test
authorJulia Lawall <julia@diku.dk>
Mon, 22 Dec 2008 22:05:06 +0000 (23:05 +0100)
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Mon, 22 Dec 2008 22:05:06 +0000 (23:05 +0100)
commit9ecab6e5bf87f96dc2fa89cc9e8d5576fbde4325
treebcf788b943c0050b06a30f69a940ae31fd69c6bf
parent3d44cc3e01ee1b40317f79ed54324e25c4f848df
drivers/ide/{cs5530.c,sc1200.c}: Move a dereference below a NULL test

In each case, if the NULL test is necessary, then the dereference should be
moved below the NULL test.

The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@@
type T;
expression E;
identifier i,fld;
statement S;
@@

- T i = E->fld;
+ T i;
  ... when != E
      when != i
  if (E == NULL) S
+ i = E->fld;
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
drivers/ide/cs5530.c
drivers/ide/sc1200.c