Test-Label: Intel-compilation Test-Status: FAILURE http://dpdk.org/patch/23644 _Compilation issues_ Submitter: Pascal Mazon Date: Fri, 14 Apr 2017 11:32:44 +0200 DPDK git baseline: Repo:dpdk, Branch:master, CommitID:fc0ddc684877b7aa0c4733ab5619a2487e396155 Patch23644-23644 --> compile error Build Summary: 18 Builds Done, 2 Successful, 16 Failures Test environment and configuration as below: OS: RHEL7.2_64 Kernel Version:3.10.0-514.10.2.el7.x86_64 CPU info:Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz GCC Version:gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-4) Clang Version:3.4.2 i686-native-linuxapp-gcc x86_64-native-linuxapp-gcc x86_64-native-linuxapp-gcc-shared OS: FreeBSD10.3_64 Kernel Version:10.3-RELEASE CPU info: Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz (2194.97-MHz K8-class CPU) GCC Version:gcc (FreeBSD Ports Collection) 4.8.5 Clang Version:3.4.1 x86_64-native-bsdapp-clang x86_64-native-bsdapp-gcc OS: FC24_64 Kernel Version:4.9.13-100.fc24.x86_64 CPU info:Intel(R) Xeon(R) CPU E5-2699 v3 @ 2.30GHz GCC Version:gcc (GCC) 6.2.1 20160916 (Red Hat 6.2.1-2) Clang Version:3.8.0 x86_64-native-linuxapp-gcc-debug i686-native-linuxapp-gcc x86_64-native-linuxapp-gcc x86_64-native-linuxapp-gcc-shared x86_64-native-linuxapp-clang OS: UB1604_64 Kernel Version:4.4.0-64-generic CPU info:Intel(R) Xeon(R) CPU E5-2699 v3 @ 2.30GHz GCC Version:gcc (Ubuntu 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609 Clang Version:3.8.0 i686-native-linuxapp-gcc x86_64-native-linuxapp-gcc x86_64-native-linuxapp-gcc-shared x86_64-native-linuxapp-clang OS: CentOS7_64 Kernel Version:3.10.0-514.10.2.el7.x86_64 CPU info:Intel(R) Xeon(R) CPU E5-2699 v3 @ 2.30GHz GCC Version:gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-4) Clang Version:3.4.2 i686-native-linuxapp-gcc x86_64-native-linuxapp-clang x86_64-native-linuxapp-gcc-shared x86_64-native-linuxapp-gcc Failed Build #1: OS: RHEL7.2_64 Target: i686-native-linuxapp-gcc /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_tx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:834:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] rx->fd = fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_rx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:835:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] tx->fd = fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^ cc1: all warnings being treated as errors Failed Build #2: OS: RHEL7.2_64 Target: x86_64-native-linuxapp-gcc /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_tx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:834:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] rx->fd = fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_rx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:835:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] tx->fd = fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^ cc1: all warnings being treated as errors Failed Build #3: OS: RHEL7.2_64 Target: x86_64-native-linuxapp-gcc-shared /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_tx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:834:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] rx->fd = fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_rx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:835:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] tx->fd = fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^ cc1: all warnings being treated as errors Failed Build #4: OS: FC24_64 Target: x86_64-native-linuxapp-gcc-debug /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_tx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:835:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] tx->fd = fd; ~~~~~~~^~~~ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^~ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_rx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:835:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] tx->fd = fd; ~~~~~~~^~~~ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^~ cc1: all warnings being treated as errors /home/patchWorkOrg/compilation/mk/internal/rte.compile-pre.mk:138: recipe for target 'rte_eth_tap.o' failed /home/patchWorkOrg/compilation/mk/rte.subdir.mk:63: recipe for target 'tap' failed /home/patchWorkOrg/compilation/mk/rte.subdir.mk:63: recipe for target 'net' failed /home/patchWorkOrg/compilation/mk/rte.sdkbuild.mk:73: recipe for target 'drivers' failed /home/patchWorkOrg/compilation/mk/rte.sdkroot.mk:124: recipe for target 'all' failed /home/patchWorkOrg/compilation/mk/rte.sdkinstall.mk:85: recipe for target 'pre_install' failed /home/patchWorkOrg/compilation/mk/rte.sdkroot.mk:103: recipe for target 'install' failed Failed Build #5: OS: FC24_64 Target: i686-native-linuxapp-gcc /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_tx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:835:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] tx->fd = fd; ~~~~~~~^~~~ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^~ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_rx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:835:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] tx->fd = fd; ~~~~~~~^~~~ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^~ cc1: all warnings being treated as errors /home/patchWorkOrg/compilation/mk/internal/rte.compile-pre.mk:138: recipe for target 'rte_eth_tap.o' failed /home/patchWorkOrg/compilation/mk/rte.subdir.mk:63: recipe for target 'tap' failed /home/patchWorkOrg/compilation/mk/rte.subdir.mk:63: recipe for target 'net' failed /home/patchWorkOrg/compilation/mk/rte.sdkbuild.mk:73: recipe for target 'drivers' failed /home/patchWorkOrg/compilation/mk/rte.sdkroot.mk:124: recipe for target 'all' failed /home/patchWorkOrg/compilation/mk/rte.sdkinstall.mk:85: recipe for target 'pre_install' failed /home/patchWorkOrg/compilation/mk/rte.sdkroot.mk:103: recipe for target 'install' failed Failed Build #6: OS: FC24_64 Target: x86_64-native-linuxapp-gcc /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_tx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:835:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] tx->fd = fd; ~~~~~~~^~~~ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^~ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_rx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:835:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] tx->fd = fd; ~~~~~~~^~~~ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^~ cc1: all warnings being treated as errors /home/patchWorkOrg/compilation/mk/internal/rte.compile-pre.mk:138: recipe for target 'rte_eth_tap.o' failed /home/patchWorkOrg/compilation/mk/rte.subdir.mk:63: recipe for target 'tap' failed /home/patchWorkOrg/compilation/mk/rte.subdir.mk:63: recipe for target 'net' failed /home/patchWorkOrg/compilation/mk/rte.sdkbuild.mk:73: recipe for target 'drivers' failed /home/patchWorkOrg/compilation/mk/rte.sdkroot.mk:124: recipe for target 'all' failed /home/patchWorkOrg/compilation/mk/rte.sdkinstall.mk:85: recipe for target 'pre_install' failed /home/patchWorkOrg/compilation/mk/rte.sdkroot.mk:103: recipe for target 'install' failed Failed Build #7: OS: FC24_64 Target: x86_64-native-linuxapp-gcc-shared /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_tx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:835:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] tx->fd = fd; ~~~~~~~^~~~ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^~ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_rx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:835:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] tx->fd = fd; ~~~~~~~^~~~ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^~ cc1: all warnings being treated as errors /home/patchWorkOrg/compilation/mk/internal/rte.compile-pre.mk:138: recipe for target 'rte_eth_tap.o' failed /home/patchWorkOrg/compilation/mk/rte.subdir.mk:63: recipe for target 'tap' failed /home/patchWorkOrg/compilation/mk/rte.subdir.mk:63: recipe for target 'net' failed /home/patchWorkOrg/compilation/mk/rte.sdkbuild.mk:73: recipe for target 'drivers' failed /home/patchWorkOrg/compilation/mk/rte.sdkroot.mk:124: recipe for target 'all' failed /home/patchWorkOrg/compilation/mk/rte.sdkinstall.mk:85: recipe for target 'pre_install' failed /home/patchWorkOrg/compilation/mk/rte.sdkroot.mk:103: recipe for target 'install' failed Failed Build #8: OS: FC24_64 Target: x86_64-native-linuxapp-clang ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:8: note: initialize the variable 'fd' to silence this warning int fd; ^ = 0 1 error generated. /home/patchWorkOrg/compilation/mk/internal/rte.compile-pre.mk:138: recipe for target 'rte_eth_tap.o' failed /home/patchWorkOrg/compilation/mk/rte.subdir.mk:63: recipe for target 'tap' failed /home/patchWorkOrg/compilation/mk/rte.subdir.mk:63: recipe for target 'net' failed /home/patchWorkOrg/compilation/mk/rte.sdkbuild.mk:73: recipe for target 'drivers' failed /home/patchWorkOrg/compilation/mk/rte.sdkroot.mk:124: recipe for target 'all' failed /home/patchWorkOrg/compilation/mk/rte.sdkinstall.mk:85: recipe for target 'pre_install' failed /home/patchWorkOrg/compilation/mk/rte.sdkroot.mk:103: recipe for target 'install' failed Failed Build #9: OS: UB1604_64 Target: i686-native-linuxapp-gcc /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_tx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:835:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] tx->fd = fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_rx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:835:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] tx->fd = fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^ cc1: all warnings being treated as errors /home/patchWorkOrg/compilation/mk/internal/rte.compile-pre.mk:138: recipe for target 'rte_eth_tap.o' failed /home/patchWorkOrg/compilation/mk/rte.subdir.mk:63: recipe for target 'tap' failed /home/patchWorkOrg/compilation/mk/rte.subdir.mk:63: recipe for target 'net' failed /home/patchWorkOrg/compilation/mk/rte.sdkbuild.mk:73: recipe for target 'drivers' failed /home/patchWorkOrg/compilation/mk/rte.sdkroot.mk:124: recipe for target 'all' failed /home/patchWorkOrg/compilation/mk/rte.sdkinstall.mk:85: recipe for target 'pre_install' failed /home/patchWorkOrg/compilation/mk/rte.sdkroot.mk:103: recipe for target 'install' failed Failed Build #10: OS: UB1604_64 Target: x86_64-native-linuxapp-gcc /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_tx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:835:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] tx->fd = fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_rx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:835:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] tx->fd = fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^ cc1: all warnings being treated as errors /home/patchWorkOrg/compilation/mk/internal/rte.compile-pre.mk:138: recipe for target 'rte_eth_tap.o' failed /home/patchWorkOrg/compilation/mk/rte.subdir.mk:63: recipe for target 'tap' failed /home/patchWorkOrg/compilation/mk/rte.subdir.mk:63: recipe for target 'net' failed /home/patchWorkOrg/compilation/mk/rte.sdkbuild.mk:73: recipe for target 'drivers' failed /home/patchWorkOrg/compilation/mk/rte.sdkroot.mk:124: recipe for target 'all' failed /home/patchWorkOrg/compilation/mk/rte.sdkinstall.mk:85: recipe for target 'pre_install' failed /home/patchWorkOrg/compilation/mk/rte.sdkroot.mk:103: recipe for target 'install' failed Failed Build #11: OS: UB1604_64 Target: x86_64-native-linuxapp-gcc-shared /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_tx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:835:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] tx->fd = fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_rx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:835:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] tx->fd = fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^ cc1: all warnings being treated as errors /home/patchWorkOrg/compilation/mk/internal/rte.compile-pre.mk:138: recipe for target 'rte_eth_tap.o' failed /home/patchWorkOrg/compilation/mk/rte.subdir.mk:63: recipe for target 'tap' failed /home/patchWorkOrg/compilation/mk/rte.subdir.mk:63: recipe for target 'net' failed /home/patchWorkOrg/compilation/mk/rte.sdkbuild.mk:73: recipe for target 'drivers' failed /home/patchWorkOrg/compilation/mk/rte.sdkroot.mk:124: recipe for target 'all' failed /home/patchWorkOrg/compilation/mk/rte.sdkinstall.mk:85: recipe for target 'pre_install' failed /home/patchWorkOrg/compilation/mk/rte.sdkroot.mk:103: recipe for target 'install' failed Failed Build #12: OS: UB1604_64 Target: x86_64-native-linuxapp-clang ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:8: note: initialize the variable 'fd' to silence this warning int fd; ^ = 0 1 error generated. /home/patchWorkOrg/compilation/mk/internal/rte.compile-pre.mk:138: recipe for target 'rte_eth_tap.o' failed /home/patchWorkOrg/compilation/mk/rte.subdir.mk:63: recipe for target 'tap' failed /home/patchWorkOrg/compilation/mk/rte.subdir.mk:63: recipe for target 'net' failed /home/patchWorkOrg/compilation/mk/rte.sdkbuild.mk:73: recipe for target 'drivers' failed /home/patchWorkOrg/compilation/mk/rte.sdkroot.mk:124: recipe for target 'all' failed /home/patchWorkOrg/compilation/mk/rte.sdkinstall.mk:85: recipe for target 'pre_install' failed /home/patchWorkOrg/compilation/mk/rte.sdkroot.mk:103: recipe for target 'install' failed Failed Build #13: OS: CentOS7_64 Target: i686-native-linuxapp-gcc /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_tx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:834:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] rx->fd = fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_rx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:835:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] tx->fd = fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^ cc1: all warnings being treated as errors Failed Build #14: OS: CentOS7_64 Target: x86_64-native-linuxapp-clang ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:8: note: initialize the variable 'fd' to silence this warning int fd; ^ = 0 1 error generated. Failed Build #15: OS: CentOS7_64 Target: x86_64-native-linuxapp-gcc-shared /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_tx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:834:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] rx->fd = fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_rx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:835:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] tx->fd = fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^ cc1: all warnings being treated as errors Failed Build #16: OS: CentOS7_64 Target: x86_64-native-linuxapp-gcc /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_tx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:834:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] rx->fd = fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c: In function ‘tap_rx_queue_setup’: /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:835:9: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] tx->fd = fd; ^ /home/patchWorkOrg/compilation/drivers/net/tap/rte_eth_tap.c:811:6: note: ‘fd’ was declared here int fd; ^ cc1: all warnings being treated as errors DPDK STV team