numam-dpdk/kernel
Ferruh Yigit c96bbbd010 igb_uio: fix build on Linux 5.3 for fall through
build error:
kernel/linux/igb_uio/igb_uio.c:
   In function ‘igbuio_pci_enable_interrupts’:
   kernel/linux/igb_uio/igb_uio.c:230:6:
   error: this statement may fall through
   [-Werror=implicit-fallthrough=]
  230 |   if (pci_alloc_irq_vectors(udev->pdev, 1, 1, ....
kernel/linux/igb_uio/igb_uio.c:240:2: note: here
  240 |  case RTE_INTR_MODE_MSI:
      |  ^~~~

The build error is caused by Linux kernel commit in 5.3 that enables the
"-Wimplicit-fallthrough=3" gcc flag.
Commit a035d552a93b ("Makefile: Globally enable fall-through warning")

To fix the error, either a gcc attribute can be provided [1] or a code
comment with some defined syntax need to be provided [2], since there is
already comments, updated them slightly to match the required syntax to
fix the build error.

[1]
"__attribute__ ((fallthrough));"

[2]
[ \t.!]*([Ee]lse,? |[Ii]ntentional(ly)? )?
fall(s | |-)?thr(ough|u)[ \t.!]*(-[^\n\r]*)?

Cc: stable@dpdk.org

Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
2019-07-29 22:18:57 +02:00
..
freebsd kernel/freebsd: fix module build on latest head 2019-06-27 17:27:04 +02:00
linux igb_uio: fix build on Linux 5.3 for fall through 2019-07-29 22:18:57 +02:00
windows eal/windows: introduce Windows support 2019-04-03 01:06:01 +02:00
Makefile build/freebsd: rename macro BSDPAPP to FREEBSD 2019-03-12 23:01:14 +01:00
meson.build build: increase readability via shortcut variables 2019-04-17 18:09:52 +02:00