Commit 1e1f421a authored by Julia Lawall's avatar Julia Lawall Committed by Jeff Garzik

drivers/ata: Move a dereference below a NULL test

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: default avatarJulia Lawall <julia@diku.dk>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent d0cb43b3
......@@ -312,11 +312,12 @@ static int __devinit pata_at91_probe(struct platform_device *pdev)
static int __devexit pata_at91_remove(struct platform_device *pdev)
{
struct ata_host *host = dev_get_drvdata(&pdev->dev);
struct at91_ide_info *info = host->private_data;
struct at91_ide_info *info;
struct device *dev = &pdev->dev;
if (!host)
return 0;
info = host->private_data;
ata_host_detach(host);
......
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