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IB/qib: Fix null pointer subtraction compiler warning
[linux-2.6-microblaze.git]
/
drivers
/
infiniband
/
hw
/
qib
/
qib_sysfs.c
diff --git
a/drivers/infiniband/hw/qib/qib_sysfs.c
b/drivers/infiniband/hw/qib/qib_sysfs.c
index
d57e49d
..
452e235
100644
(file)
--- a/
drivers/infiniband/hw/qib/qib_sysfs.c
+++ b/
drivers/infiniband/hw/qib/qib_sysfs.c
@@
-403,9
+403,11
@@
static ssize_t diagc_attr_store(struct ib_device *ibdev, u32 port_num,
}
#define QIB_DIAGC_ATTR(N) \
}
#define QIB_DIAGC_ATTR(N) \
+ static_assert(&((struct qib_ibport *)0)->rvp.n_##N != (u64 *)NULL); \
static struct qib_diagc_attr qib_diagc_attr_##N = { \
.attr = __ATTR(N, 0664, diagc_attr_show, diagc_attr_store), \
static struct qib_diagc_attr qib_diagc_attr_##N = { \
.attr = __ATTR(N, 0664, diagc_attr_show, diagc_attr_store), \
- .counter = &((struct qib_ibport *)0)->rvp.n_##N - (u64 *)0, \
+ .counter = \
+ offsetof(struct qib_ibport, rvp.n_##N) / sizeof(u64) \
}
QIB_DIAGC_ATTR(rc_resends);
}
QIB_DIAGC_ATTR(rc_resends);