include/linux/mlx5/driver.h:1299:13: error: 'struct irq_desc' has no member named 'affinity_hint'

From: kbuild test robot
Date: Wed May 16 2018 - 23:11:32 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: e6506eb241871d68647c53cb6d0a16299550ae97
commit: 6082d9c9c94a408d7409b5f2e4e42ac9e8b16d0d net/mlx5: Fix mlx5_get_vector_affinity function
date: 3 weeks ago
config: xtensa-allyesconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 6082d9c9c94a408d7409b5f2e4e42ac9e8b16d0d
# save the attached .config to linux build tree
make.cross ARCH=xtensa

All error/warnings (new ones prefixed by >>):

In file included from drivers/net//ethernet/mellanox/mlx5/core/main.c:43:0:
include/linux/mlx5/driver.h: In function 'mlx5_get_vector_affinity_hint':
>> include/linux/mlx5/driver.h:1299:13: error: 'struct irq_desc' has no member named 'affinity_hint'
return desc->affinity_hint;
^~
--
In file included from include/linux/mlx5/port.h:36:0,
from drivers/infiniband/hw/mlx5/main.c:52:
include/linux/mlx5/driver.h: In function 'mlx5_get_vector_affinity_hint':
>> include/linux/mlx5/driver.h:1299:13: error: 'struct irq_desc' has no member named 'affinity_hint'
return desc->affinity_hint;
^~
>> include/linux/mlx5/driver.h:1300:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^

vim +1299 include/linux/mlx5/driver.h

1285
1286 static inline const struct cpumask *
1287 mlx5_get_vector_affinity_hint(struct mlx5_core_dev *dev, int vector)
1288 {
1289 struct irq_desc *desc;
1290 unsigned int irq;
1291 int eqn;
1292 int err;
1293
1294 err = mlx5_vector2eqn(dev, vector, &eqn, &irq);
1295 if (err)
1296 return NULL;
1297
1298 desc = irq_to_desc(irq);
> 1299 return desc->affinity_hint;
> 1300 }
1301

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