On Tue, 17 Dec 2019 at 00:00, Toke Høiland-Jørgensen toke@redhat.com wrote:
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index a2cc7313763a..3fe42d6b0c2f 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -41,6 +41,7 @@ #include <sys/types.h> #include <sys/vfs.h> #include <sys/utsname.h> +#include <sys/resource.h> #include <tools/libc_compat.h> #include <libelf.h> #include <gelf.h> @@ -100,6 +101,32 @@ void libbpf_print(enum libbpf_print_level level, const char *format, ...) va_end(args); }
+static void pr_perm_msg(int err) +{
struct rlimit limit;
char buf[100];
if (err != -EPERM || geteuid() != 0)
return;
err = getrlimit(RLIMIT_MEMLOCK, &limit);
if (err)
return;
if (limit.rlim_cur == RLIM_INFINITY)
return;
if (limit.rlim_cur < 1024)
snprintf(buf, sizeof(buf), "%lu bytes", limit.rlim_cur);
libbpf.c: In function 'pr_perm_msg': libbpf.c:120:33: error: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'rlim_t {aka long long unsigned int}' [-Werror=format=] snprintf(buf, sizeof(buf), "%lu bytes", limit.rlim_cur); ~~^ ~~~~~~~~~~~~~~ %llu
Linux next i386 and arm builds failed due to this error.
Full build log link, https://ci.linaro.org/view/lkft/job/openembedded-lkft-linux-next/DISTRO=lkft... https://ci.linaro.org/view/lkft/job/openembedded-lkft-linux-next/DISTRO=lkft...