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nspawn,shared: cleanup use of ERRNO_IS_SECCOMP_FATAL()

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Given that ERRNO_IS_SECCOMP_FATAL() also matches positive values,
make sure this macro is not called with arguments that do not have
errno semantics.

In this case the arguments passed to ERRNO_IS_SECCOMP_FATAL() are the
values returned by external libseccomp function seccomp_load() which is
not expected to return any positive values, but let's be consistent
anyway and move ERRNO_IS_SECCOMP_FATAL() invocations to the branches
where the return values are known to be negative.
This commit is contained in:
Dmitry V. Levin
2023-07-28 12:28:35 +00:00
parent 0d16fab986
commit 5cfc190520
3 changed files with 64 additions and 48 deletions
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src/nspawn/nspawn.c
+4 -3
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@@ -3412,10 +3412,11 @@ static int inner_child(
if (is_seccomp_available()) {
r = seccomp_load(arg_seccomp);
if (ERRNO_IS_SECCOMP_FATAL(r))
return log_error_errno(r, "Failed to install seccomp filter: %m");
if (r < 0)
if (r < 0) {
if (ERRNO_IS_SECCOMP_FATAL(r))
return log_error_errno(r, "Failed to install seccomp filter: %m");
log_debug_errno(r, "Failed to install seccomp filter: %m");
}
}
} else
#endif