From: Leon Romanovsky <leonro@nvidia.com> stable inclusion from stable-v6.6.2 commit 6ce9304d2630e456aeebae3a62b0bd3c7a06f256 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8IW7G Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=... -------------------------------- [ Upstream commit d4b2d165714c0ce8777d5131f6e0aad617b7adc4 ] Increase name array to be large enough to overcome the following compilation error. drivers/infiniband/hw/hfi1/efivar.c: In function ‘read_hfi1_efi_var’: drivers/infiniband/hw/hfi1/efivar.c:124:44: error: ‘snprintf’ output may be truncated before the last format character [-Werror=format-truncation=] 124 | snprintf(name, sizeof(name), "%s-%s", prefix_name, kind); | ^ drivers/infiniband/hw/hfi1/efivar.c:124:9: note: ‘snprintf’ output 2 or more bytes (assuming 65) into a destination of size 64 124 | snprintf(name, sizeof(name), "%s-%s", prefix_name, kind); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/infiniband/hw/hfi1/efivar.c:133:52: error: ‘snprintf’ output may be truncated before the last format character [-Werror=format-truncation=] 133 | snprintf(name, sizeof(name), "%s-%s", prefix_name, kind); | ^ drivers/infiniband/hw/hfi1/efivar.c:133:17: note: ‘snprintf’ output 2 or more bytes (assuming 65) into a destination of size 64 133 | snprintf(name, sizeof(name), "%s-%s", prefix_name, kind); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors make[6]: *** [scripts/Makefile.build:243: drivers/infiniband/hw/hfi1/efivar.o] Error 1 Fixes: c03c08d50b3d ("IB/hfi1: Check upper-case EFI variables") Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Link: https://lore.kernel.org/r/238fa39a8fd60e87a5ad7e1ca6584fcdf32e9519.169815999... Acked-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> --- drivers/infiniband/hw/hfi1/efivar.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/hfi1/efivar.c b/drivers/infiniband/hw/hfi1/efivar.c index 7741a1d69097..2b5d264f41e5 100644 --- a/drivers/infiniband/hw/hfi1/efivar.c +++ b/drivers/infiniband/hw/hfi1/efivar.c @@ -112,7 +112,7 @@ int read_hfi1_efi_var(struct hfi1_devdata *dd, const char *kind, unsigned long *size, void **return_data) { char prefix_name[64]; - char name[64]; + char name[128]; int result; /* create a common prefix */ -- 2.25.1