The requested resources should be closed before return in main(), otherwise resource leak will occur. Add a check of cg_fd before close().
Fixes: 435f90a338ae ("selftests/bpf: add a test case for sock_ops perf-event notification") Signed-off-by: Ma Ke make24@iscas.ac.cn
Please reconsider such information once more. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Docu... https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Docu...
How many source code analysis tools should be able to point out that the return value from the call of a function like pthread_create() should get more development attention (also for discussed test functions)? https://elixir.bootlin.com/linux/v6.10-rc7/source/tools/testing/selftests/bp...
See also: * https://cwe.mitre.org/data/definitions/252.html
* https://wiki.sei.cmu.edu/confluence/display/c/POS54-C.+Detect+and+handle+POS...
Regards, Markus