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由 Arnd Bergmann 提交于
The only user of this variable is inside of an #ifdef, causing a warning without CONFIG_INET: net/core/filter.c: In function '____bpf_sock_ops_cb_flags_set': net/core/filter.c:3382:6: error: unused variable 'val' [-Werror=unused-variable] int val = argval & BPF_SOCK_OPS_ALL_CB_FLAGS; This replaces the #ifdef with a nicer IS_ENABLED() check that makes the code more readable and avoids the warning. Fixes: b13d8807 ("bpf: Adds field bpf_sock_ops_cb_flags to tcp_sock") Signed-off-by: NArnd Bergmann <arnd@arndb.de> Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net>
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