tools/lib/bpf: fix -Wdiscarded-qualifiers under C23 #6438
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glibc ≥ 2.42 (GCC 15) defaults to -std=gnu23, which promotes -Wdiscarded-qualifiers to an error in the default hardening flags of Fedora Rawhide, Arch Linux, openSUSE Tumbleweed, Gentoo, etc. In C23, strstr() and strchr() return "const char *" in most cases, making previous implicit casts invalid. This breaks the build of tools/bpf/resolve_btfids on pristine upstream kernel when using GCC 15 + glibc 2.42+. Fix the three remaining instances with explicit casts. No functional changes. Link: https://bugzilla.redhat.com/show_bug.cgi?id=2417601 Suggested-by: Florian Weimer <[email protected]> Signed-off-by: Mikhail Gavrilov <[email protected]>
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Pull request for series with
subject: tools/lib/bpf: fix -Wdiscarded-qualifiers under C23
version: 2
url: https://patchwork.kernel.org/project/netdevbpf/list/?series=1028705