Nicolin Chen 9a96876e3c iommufd/selftest: Fix build warnings due to uninitialized mfd ... Commit 869c788909 ("selftests: harness: Stop using setjmp()/longjmp()") changed the harness structure. For some unknown reason, two build warnings occur to the iommufd selftest: iommufd.c: In function ‘wrapper_iommufd_mock_domain_all_aligns’: iommufd.c:1807:17: warning: ‘mfd’ may be used uninitialized in this function 1807 | close(mfd); | ^~~~~~~~~~ iommufd.c:1767:13: note: ‘mfd’ was declared here 1767 | int mfd; | ^~~ iommufd.c: In function ‘wrapper_iommufd_mock_domain_all_aligns_copy’: iommufd.c:1870:17: warning: ‘mfd’ may be used uninitialized in this function 1870 | close(mfd); | ^~~~~~~~~~ iommufd.c:1819:13: note: ‘mfd’ was declared here 1819 | int mfd; | ^~~ All the mfd have been used in the variant->file path only, so it's likely a false alarm. FWIW, the commit mentioned above does not cause this, yet it might affect gcc in a certain way that resulted in the warnings. It is also found that ading a dummy setjmp (which doesn't make sense) could mute the warnings: https://lore.kernel.org/all/aEi8DV+ReF3v3Rlf@nvidia.com/ The job of this selftest is to catch kernel bug, while such warnings will unlikely disrupt its role. Mute the warning by force initializing the mfd and add an ASSERT_GT(). Link: https://patch.msgid.link/r/6951d85d5cd34cbf22abab7714542654e63ecc44.1750787928.git.nicolinc@nvidia.com Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>		2025-06-24 15:45:13 -03:00
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accounting
arch	tools headers x86 cpufeatures: Sync with the kernel sources	2025-06-17 18:29:42 -03:00
bootconfig	tools/bootconfig: specify LDFLAGS as an argument to CC	2025-05-16 11:22:54 +09:00
bpf	tools/resolve_btfids: Fix build when cross compiling kernel with clang.	2025-06-10 09:09:27 -07:00
build
certs
cgroup
counter
crypto
debugging
firewire
firmware
gpio
hv	tools: hv: Enable debug logs for hv_kvp_daemon	2025-05-23 16:30:55 +00:00
iio
include	tools headers: Synchronize linux/bits.h with the kernel sources	2025-06-17 16:55:24 -03:00
kvm/kvm_stat
laptop
leds
lib	libbpf: Handle unsupported mmap-based /sys/kernel/btf/vmlinux correctly	2025-06-06 14:07:07 -07:00
memory-model
mm
net	tools: ynl: fix mixing ops and notifications on one socket	2025-06-19 08:37:39 -07:00
objtool	Rust changes for v6.16	2025-06-04 21:18:37 -07:00
pcmcia
perf	perf bench futex: Fix prctl include in musl libc	2025-06-17 18:29:42 -03:00
power	cpupower: split unitdir from libdir in Makefile	2025-06-09 10:17:46 -06:00
rcu
sched_ext
scripts
sound
spi
testing	iommufd/selftest: Fix build warnings due to uninitialized mfd	2025-06-24 15:45:13 -03:00
thermal
time
tracing	tracing tools updates for v6.16:	2025-05-29 20:59:52 -07:00
usb
verification
virtio
wmi
workqueue
writeback
Makefile