5.4-stable review patch. If anyone has any objections, please let me know.
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From: Leon Romanovsky leonro@nvidia.com
[ Upstream commit 0d2e6992fc956e3308cd5376c18567def4cb3967 ]
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") Link: https://lore.kernel.org/r/f3798b3ce9a410257d7e1ec7c9e285f1352e256a.171855456... Signed-off-by: Leon Romanovsky leonro@nvidia.com Signed-off-by: Jason Gunthorpe jgg@nvidia.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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 08eccf2b6967d..511e095aa5567 100644 --- a/drivers/infiniband/hw/mlx4/mad.c +++ b/drivers/infiniband/hw/mlx4/mad.c @@ -2167,7 +2167,7 @@ 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;