[dpdk-dev] Compilation error on master with gcc 9.1

[Jerin Jacob Kollanukkaran]

CC memif_socket.o
In file included from /home/jerin/dpdk.org/drivers/net/memif/memif_socket.c:26:
In function 'memif_socket_create',
    inlined from 'memif_socket_init' at /home/jerin/dpdk.org/drivers/net/memif/memif_socket.c:965:12:
/home/jerin/dpdk.org/drivers/net/memif/rte_eth_memif.h:35:2: error: '%s' directive argument is null [-Werror=format-overflow=]
   35 |  rte_log(RTE_LOG_ ## level, memif_logtype, \
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   36 |   "%s(): " fmt "\n", __func__, ##args)
      |   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/jerin/dpdk.org/drivers/net/memif/memif_socket.c:920:2: note: in expansion of macro 'MIF_LOG'
  920 |  MIF_LOG(ERR, "%s: Failed to setup socket %s: %s",
      |  ^~~~~~~
/home/jerin/dpdk.org/drivers/net/memif/memif_socket.c: In function 'memif_socket_init':
/home/jerin/dpdk.org/drivers/net/memif/memif_socket.c:1114:17: note: format string is defined here
 1114 |   MIF_LOG(ERR, "%s: Failed to register interrupt callback "
      |                 ^~
In file included from /home/jerin/dpdk.org/drivers/net/memif/memif_socket.c:26:
In function 'memif_socket_create',
    inlined from 'memif_socket_init' at /home/jerin/dpdk.org/drivers/net/memif/memif_socket.c:965:12:
/home/jerin/dpdk.org/drivers/net/memif/rte_eth_memif.h:35:2: error: '%s' directive argument is null [-Werror=format-overflow=]
   35 |  rte_log(RTE_LOG_ ## level, memif_logtype, \
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   36 |   "%s(): " fmt "\n", __func__, ##args)
      |   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/jerin/dpdk.org/drivers/net/memif/memif_socket.c:920:2: note: in expansion of macro 'MIF_LOG'
  920 |  MIF_LOG(ERR, "%s: Failed to setup socket %s: %s",
      |  ^~~~~~~
/home/jerin/dpdk.org/drivers/net/memif/memif_socket.c: In function 'memif_socket_init':
/home/jerin/dpdk.org/drivers/net/memif/memif_socket.c:1114:17: note: format string is defined here
 1114 |   MIF_LOG(ERR, "%s: Failed to register interrupt callback "
      |                 ^~


$ gcc -v
Using built-in specs.
COLLECT_GCC=/usr/bin/gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-pc-linux-gnu/9.1.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /build/gcc/src/gcc/configure --prefix=/usr --libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=https://bugs.archlinux.org/
 --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ --enable-shared --enable-threads=posix --with-system-zlib --with-isl --enable-__cxa_atexit --disable-libunwind-exceptions --enable-cl
ocale=gnu --disable-libstdcxx-pch --disable-libssp --enable-gnu-unique-object --enable-linker-build-id --enable-lto --enable-plugin --enable-install-libiberty --with-linker-hash-style=gnu --e
nable-gnu-indirect-function --enable-multilib --disable-werror --enable-checking=release --enable-default-pie --enable-default-ssp --enable-cet=auto
Thread model: posix
gcc version 9.1.0 (GCC