tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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iommufd/selftest: Fix ioctl return value in _test_cmd_trigger_vevents()

The ioctl returns 0 upon success, so !0 returning -1 breaks the selftest.

Drop the '!' to fix it.

Fixes: 1d235d849425 ("iommu/selftest: prevent use of uninitialized variable")
Link: https://patch.msgid.link/r/20251014214847.1113759-1-nicolinc@nvidia.com
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

authored by

Nicolin Chen and committed by
Jason Gunthorpe b09ed52d cb30dfa7

+2 -2
+2 -2
tools/testing/selftests/iommu/iommufd_utils.h
··· 1044 1044 }; 1045 1045 1046 1046 while (nvevents--) { 1047 - if (!ioctl(fd, _IOMMU_TEST_CMD(IOMMU_TEST_OP_TRIGGER_VEVENT), 1048 - &trigger_vevent_cmd)) 1047 + if (ioctl(fd, _IOMMU_TEST_CMD(IOMMU_TEST_OP_TRIGGER_VEVENT), 1048 + &trigger_vevent_cmd)) 1049 1049 return -1; 1050 1050 } 1051 1051 return 0;