> -----Original Message----- > From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Matteo Croce > Sent: Thursday, December 14, 2017 1:23 PM > To: dev@dpdk.org > Subject: [dpdk-dev] [PATCH] i40e: remove warning > > Fix a printf warning which made the compilation fail when compiling with GCC > 7.2 and -Werror: > > error: format ‘%llu’ expects argument of type ‘long long unsigned int’, > but argument 8 has type ‘u64 {aka long unsigned int}’ [-Werror=format=] > > Signed-off-by: Matteo Croce <mcr...@redhat.com> > --- > drivers/net/i40e/base/i40e_common.c | 2 +- > drivers/net/i40e/base/i40e_nvm.c | 6 +++--- > 2 files changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/net/i40e/base/i40e_common.c > b/drivers/net/i40e/base/i40e_common.c > index 900d379ca..14834e8f2 100644 > --- a/drivers/net/i40e/base/i40e_common.c > +++ b/drivers/net/i40e/base/i40e_common.c > @@ -3929,7 +3929,7 @@ STATIC void i40e_parse_discover_capabilities(struct > i40e_hw *hw, void *buff, > p->wr_csr_prot = (u64)number; > p->wr_csr_prot |= (u64)logical_id << 32; > i40e_debug(hw, I40E_DEBUG_INIT, > - "HW Capability: wr_csr_prot = 0x%llX\n\n", > + "HW Capability: wr_csr_prot = 0x%lX\n\n", > (p->wr_csr_prot & 0xffff)); > break; > case I40E_AQ_CAP_ID_NVM_MGMT:
wr_src_prot is a u64, which will translate to long long on 32-bit systems. This will likely trip over a similar warning in that case. Should we instead use "HW Capability: wr_src_prot = 0x"PRIX64"\n\n"? See inttypes.h for more info.