** Also affects: linux-oem (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: linux-oem (Ubuntu)
** Also affects: linux-oem-5.6 (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: linux-oem (Ubuntu Focal)
** No longer affects: linux-oem (Ubuntu Groovy)
** No longer affects: linux-oem (Ubuntu Hirsute)
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https://bugs.launchpad.net/bugs/1910323
Title:
Fix implicit declaration warnings for kselftests/memfd test on newer
releases
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem-5.6 package in Ubuntu:
New
Status in linux source package in Focal:
New
Status in linux-oem-5.6 source package in Focal:
New
Status in linux source package in Groovy:
New
Status in linux-oem-5.6 source package in Groovy:
New
Status in linux source package in Hirsute:
Fix Released
Status in linux-oem-5.6 source package in Hirsute:
New
Bug description:
[Impact]
While debugging bug 1910277, I found that the test compilation will
print some warnings on F/G:
memfd_test.c:64:7: warning: implicit declaration of function ‘open’;
memfd_test.c:90:6: warning: implicit declaration of function ‘fcntl’
memfd_test.c:397:6: warning: implicit declaration of function ‘fallocate’;
fuse_test.c:67:6: warning: implicit declaration of function ‘fcntl’
fuse_test.c:261:7: warning: implicit declaration of function ‘open’;
It's harmless but fixing this we can make the test report easier to
read.
[Fix]
* 1c49e3783f8899 ("selftests/memfd: Fix implicit declaration warnings")
This fix can be cherry-picked into F/G and compiled without any problem.
Older kernel does not have this issue since they're missing some other
commits.
[Test Case]
Build the memfd test in kselftests with:
sudo make TARGETS=memfd
With this fix, these warnings will be gone.
[Where problems could occur]
This fix is just for fixing the test case compilation, so it's not
affecting real kernel functionality.
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