[PATCH rdma-next] RDMA/mlx4: Fix truncated output warning in alias_GUID.c

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From: Leon Romanovsky <leonro@xxxxxxxxxx>

drivers/infiniband/hw/mlx4/alias_GUID.c: In function ‘mlx4_ib_init_alias_guid_service’:
drivers/infiniband/hw/mlx4/alias_GUID.c:878:74: error: ‘%d’ directive
output may be truncated writing between 1 and 11 bytes into a region of
size 5 [-Werror=format-truncation=]
  878 |                 snprintf(alias_wq_name, sizeof alias_wq_name, "alias_guid%d", i);
      |                                                                          ^~
drivers/infiniband/hw/mlx4/alias_GUID.c:878:63: note: directive argument in the range [-2147483641, 2147483646]
  878 |                 snprintf(alias_wq_name, sizeof alias_wq_name, "alias_guid%d", i);
      |                                                               ^~~~~~~~~~~~~~
drivers/infiniband/hw/mlx4/alias_GUID.c:878:17: note: ‘snprintf’ output
between 12 and 22 bytes into a destination of size 15
  878 |                 snprintf(alias_wq_name, sizeof alias_wq_name, "alias_guid%d", i);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors

Fixes: a0c64a17aba8 ("mlx4: Add alias_guid mechanism")
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>
---
 drivers/infiniband/hw/mlx4/alias_GUID.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/mlx4/alias_GUID.c b/drivers/infiniband/hw/mlx4/alias_GUID.c
index 111fa88a3be4..9a439569ffcf 100644
--- a/drivers/infiniband/hw/mlx4/alias_GUID.c
+++ b/drivers/infiniband/hw/mlx4/alias_GUID.c
@@ -829,7 +829,7 @@ void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev)
 
 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev)
 {
-	char alias_wq_name[15];
+	char alias_wq_name[22];
 	int ret = 0;
 	int i, j;
 	union ib_gid gid;
-- 
2.45.2





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