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>
@disable is_null@
identifier f;
expression E;
identifier fld;
statement S;
@@
+ if (E == NULL) S
f(...,E->fld,...);
- if (E == NULL) S
@@
identifier f;
expression E;
identifier fld;
statement S;
@@
+ if (!E) S
f(...,E->fld,...);
- if (!E) S
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: "Prakash, Sathya" <Sathya.Prakash@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
{
int rc = 1;
- dctlprintk(ioctl->ioc, printk(MYIOC_s_DEBUG_FMT ": Timeout Expired! Host %d\n",
- ioctl->ioc->name, ioctl->ioc->id));
if (ioctl == NULL)
return;
+ dctlprintk(ioctl->ioc,
+ printk(MYIOC_s_DEBUG_FMT ": Timeout Expired! Host %d\n",
+ ioctl->ioc->name, ioctl->ioc->id));
ioctl->wait_done = 0;
if (ioctl->reset & MPTCTL_RESET_OK)