From: Leon Romanovsky <leonro@xxxxxxxxxx> Increase size of the name array to avoid truncated output warning. drivers/infiniband/hw/mlx4/mad.c: In function ‘mlx4_ib_alloc_demux_ctx’: drivers/infiniband/hw/mlx4/mad.c:2197:47: error: ‘%d’ directive output may be truncated writing between 1 and 11 bytes into a region of size 4 [-Werror=format-truncation=] 2197 | snprintf(name, sizeof(name), "mlx4_ibt%d", port); | ^~ drivers/infiniband/hw/mlx4/mad.c:2197:38: note: directive argument in the range [-2147483645, 2147483647] 2197 | snprintf(name, sizeof(name), "mlx4_ibt%d", port); | ^~~~~~~~~~~~ drivers/infiniband/hw/mlx4/mad.c:2197:9: note: ‘snprintf’ output between 10 and 20 bytes into a destination of size 12 2197 | snprintf(name, sizeof(name), "mlx4_ibt%d", port); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/infiniband/hw/mlx4/mad.c:2205:48: error: ‘%d’ directive output may be truncated writing between 1 and 11 bytes into a region of size 3 [-Werror=format-truncation=] 2205 | snprintf(name, sizeof(name), "mlx4_ibwi%d", port); | ^~ drivers/infiniband/hw/mlx4/mad.c:2205:38: note: directive argument in the range [-2147483645, 2147483647] 2205 | snprintf(name, sizeof(name), "mlx4_ibwi%d", port); | ^~~~~~~~~~~~~ drivers/infiniband/hw/mlx4/mad.c:2205:9: note: ‘snprintf’ output between 11 and 21 bytes into a destination of size 12 2205 | snprintf(name, sizeof(name), "mlx4_ibwi%d", port); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/infiniband/hw/mlx4/mad.c:2213:48: error: ‘%d’ directive output may be truncated writing between 1 and 11 bytes into a region of size 3 [-Werror=format-truncation=] 2213 | snprintf(name, sizeof(name), "mlx4_ibud%d", port); | ^~ drivers/infiniband/hw/mlx4/mad.c:2213:38: note: directive argument in the range [-2147483645, 2147483647] 2213 | snprintf(name, sizeof(name), "mlx4_ibud%d", port); | ^~~~~~~~~~~~~ drivers/infiniband/hw/mlx4/mad.c:2213:9: note: ‘snprintf’ output between 11 and 21 bytes into a destination of size 12 2213 | snprintf(name, sizeof(name), "mlx4_ibud%d", port); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors make[6]: *** [scripts/Makefile.build:244: drivers/infiniband/hw/mlx4/mad.o] Error 1 Fixes: fc06573dfaf8 ("IB/mlx4: Initialize SR-IOV IB support for slaves in master context") Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx> --- drivers/infiniband/hw/mlx4/mad.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c index a37cfac5e23f..dc9cf45d2d32 100644 --- a/drivers/infiniband/hw/mlx4/mad.c +++ b/drivers/infiniband/hw/mlx4/mad.c @@ -2158,7 +2158,7 @@ static int mlx4_ib_alloc_demux_ctx(struct mlx4_ib_dev *dev, struct mlx4_ib_demux_ctx *ctx, int port) { - char name[12]; + char name[21]; int ret = 0; int i; -- 2.45.2