[tip: irq/core] genirq/affinity: Remove const qualifier from node_to_cpumask argument

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The following commit has been merged into the irq/core branch of tip:

Commit-ID:     101f85b56d03b36418bbf867f67d81710839b0ec
Gitweb:        https://git.kernel.org/tip/101f85b56d03b36418bbf867f67d81710839b0ec
Author:        Ming Lei <ming.lei@xxxxxxxxxx>
AuthorDate:    Wed, 28 Aug 2019 16:58:15 +08:00
Committer:     Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Wed, 28 Aug 2019 12:20:43 +02:00

genirq/affinity: Remove const qualifier from node_to_cpumask argument

When CONFIG_CPUMASK_OFFSTACK isn't enabled, 'cpumask_var_t' is as

'typedef struct cpumask cpumask_var_t[1]',

so the argument 'node_to_cpumask' alloc_nodes_vectors() can't be declared
as 'const cpumask_var_t *'

Fixes the following warning:

   kernel/irq/affinity.c: In function '__irq_build_affinity_masks':
     alloc_nodes_vectors(numvecs, node_to_cpumask, cpu_mask,
                                  ^
   kernel/irq/affinity.c:128:13: note: expected 'const struct cpumask (*)[1]' but argument is of type 'struct cpumask (*)[1]'
    static void alloc_nodes_vectors(unsigned int numvecs,
                ^
Fixes: b1a5a73e64e9 ("genirq/affinity: Spread vectors on node according to nr_cpu ratio")
Reported-by: kbuild test robot <lkp@xxxxxxxxx>
Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/20190828085815.19931-1-ming.lei@xxxxxxxxxx

---
 kernel/irq/affinity.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/irq/affinity.c b/kernel/irq/affinity.c
index d905e84..4d89ad4 100644
--- a/kernel/irq/affinity.c
+++ b/kernel/irq/affinity.c
@@ -126,7 +126,7 @@ static int ncpus_cmp_func(const void *l, const void *r)
  * for each node.
  */
 static void alloc_nodes_vectors(unsigned int numvecs,
-				const cpumask_var_t *node_to_cpumask,
+				cpumask_var_t *node_to_cpumask,
 				const struct cpumask *cpu_mask,
 				const nodemask_t nodemsk,
 				struct cpumask *nmsk,



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