The patch titled
Subject: kernel/sysctl.c: fix unused function warning
has been added to the -mm tree. Its filename is
sysctl-fix-unused-function-warning.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/sysctl-fix-unused-function-warning.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/sysctl-fix-unused-function-warning.patch
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------------------------------------------------------
From: Arnd Bergmann <arnd@xxxxxxxx>
Subject: kernel/sysctl.c: fix unused function warning
The newly added bpf_stats_handler() has the wrong #ifdef check around it,
leading to an unused-function warning when CONFIG_SYSCTL is disabled:
kernel/sysctl.c:205:12: error: unused function 'bpf_stats_handler' [-Werror,-Wunused-function]
static int bpf_stats_handler(struct ctl_table *table, int write,
Fix the check to match the reference.
Link: http://lkml.kernel.org/r/20200505140734.503701-1-arnd@xxxxxxxx
Fixes: d46edd671a14 ("bpf: Sharing bpf runtime stats with BPF_ENABLE_STATS")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Reviewed-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Iurii Zaikin <yzaikin@xxxxxxxxxx>
Cc: Alexei Starovoitov <ast@xxxxxxxxxx>
Cc: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
Cc: Song Liu <songliubraving@xxxxxx>
Cc: Martin KaFai Lau <kafai@xxxxxx>
Cc: Yonghong Song <yhs@xxxxxx>
Cc: Andrii Nakryiko <andriin@xxxxxx>
Cc: John Fastabend <john.fastabend@xxxxxxxxx>
Cc: KP Singh <kpsingh@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/sysctl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/kernel/sysctl.c~sysctl-fix-unused-function-warning
+++ a/kernel/sysctl.c
@@ -201,7 +201,7 @@ static int max_extfrag_threshold = 1000;
#endif /* CONFIG_SYSCTL */
-#ifdef CONFIG_BPF_SYSCALL
+#if defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_SYSCTL)
static int bpf_stats_handler(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp,
loff_t *ppos)
_
Patches currently in -mm which might be from arnd@xxxxxxxx are
arm64-add-support-for-folded-p4d-page-tables-fix.patch
ubsan-fix-gcc-10-warnings.patch
initramfs-fix-another-section-mismatch.patch
sysctl-fix-unused-function-warning.patch
