https://bugs.dpdk.org/show_bug.cgi?id=907
Bug ID: 907
Summary: [19.11] build failure Werror=implicit-fallthrough in
opensuse tumbleweed
Product: DPDK
Version: 19.11
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: core
Assignee: dev@dpdk.org
Reporter: christian.ehrha...@canonical.com
Target Milestone: ---
Build in opensuse_tumbleweed fails with newer gcc complaining about implicit
fallthrough.
[ 116s]
/home/abuild/rpmbuild/BUILD/dpdk-1639465174.d43fa3e19/x86_64-default-linux-gcc/build/kernel/linux/igb_uio/igb_uio.c:
In function 'igbuio_pci_enable_interrupts':
[ 116s]
/home/abuild/rpmbuild/BUILD/dpdk-1639465174.d43fa3e19/x86_64-default-linux-gcc/build/kernel/linux/igb_uio/igb_uio.c:230:20:
error: this statement may fall through [-Werror=implicit-fallthrough=]
[ 116s] 230 | if (pci_alloc_irq_vectors(udev->pdev, 1, 1,
PCI_IRQ_MSIX) == 1) {
[ 116s] | ^
[ 116s]
/home/abuild/rpmbuild/BUILD/dpdk-1639465174.d43fa3e19/x86_64-default-linux-gcc/build/kernel/linux/igb_uio/igb_uio.c:240:9:
note: here
[ 116s] 240 | case RTE_INTR_MODE_MSI:
[ 116s] | ^~~~
[ 116s]
/home/abuild/rpmbuild/BUILD/dpdk-1639465174.d43fa3e19/x86_64-default-linux-gcc/build/kernel/linux/igb_uio/igb_uio.c:250:20:
error: this statement may fall through [-Werror=implicit-fallthrough=]
[ 116s] 250 | if (pci_alloc_irq_vectors(udev->pdev, 1, 1,
PCI_IRQ_MSI) == 1) {
[ 116s] | ^
[ 116s]
/home/abuild/rpmbuild/BUILD/dpdk-1639465174.d43fa3e19/x86_64-default-linux-gcc/build/kernel/linux/igb_uio/igb_uio.c:259:9:
note: here
[ 116s] 259 | case RTE_INTR_MODE_LEGACY:
[ 116s] | ^~~~
[ 116s] In file included from
/usr/src/linux-5.15.7-1/include/linux/device.h:15,
[ 116s] from
/home/abuild/rpmbuild/BUILD/dpdk-1639465174.d43fa3e19/x86_64-default-linux-gcc/build/kernel/linux/igb_uio/igb_uio.c:8:
[ 116s] /usr/src/linux-5.15.7-1/include/linux/dev_printk.h:148:31: error: this
statement may fall through [-Werror=implicit-fallthrough=]
[ 116s] 148 | dev_printk_index_wrap(_dev_notice, KERN_NOTICE, dev,
dev_fmt(fmt), ##__VA_ARGS__)
[ 116s] | ^
[ 116s] /usr/src/linux-5.15.7-1/include/linux/dev_printk.h:110:17: note: in
definition of macro 'dev_printk_index_wrap'
[ 116s] 110 | _p_func(dev, fmt, ##__VA_ARGS__);
\
[ 116s] | ^~~~~~~
[ 116s]
/home/abuild/rpmbuild/BUILD/dpdk-1639465174.d43fa3e19/x86_64-default-linux-gcc/build/kernel/linux/igb_uio/igb_uio.c:267:17:
note: in expansion of macro 'dev_notice'
[ 116s] 267 | dev_notice(&udev->pdev->dev, "PCI INTX mask
not supported\n");
[ 116s] | ^~~~~~~~~~
[ 116s]
/home/abuild/rpmbuild/BUILD/dpdk-1639465174.d43fa3e19/x86_64-default-linux-gcc/build/kernel/linux/igb_uio/igb_uio.c:269:9:
note: here
[ 116s] 269 | case RTE_INTR_MODE_NONE:
[ 116s] | ^~~~
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