Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Pull BPF fixes from Alexei Starovoitov

 - Fix libbpf backward compatibility (Andrii Nakryiko)

 - Add Stanislav Fomichev as bpf/net reviewer

 - Fix resolve_btfid build when cross compiling (Suleiman Souhlal)

* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  MAINTAINERS: Add myself as bpf networking reviewer
  tools/resolve_btfids: Fix build when cross compiling kernel with clang.
  libbpf: Handle unsupported mmap-based /sys/kernel/btf/vmlinux correctly

Author: torvalds

.mailmap

@@ -719,6 +719,7 @@ Srinivas Ramana <quic_sramana@quicinc.com> <sramana@codeaurora.org>
 Sriram R <quic_srirrama@quicinc.com> <srirrama@codeaurora.org>
 Sriram Yagnaraman <sriram.yagnaraman@ericsson.com> <sriram.yagnaraman@est.tech>
 Stanislav Fomichev <sdf@fomichev.me> <sdf@google.com>
+Stanislav Fomichev <sdf@fomichev.me> <stfomichev@gmail.com>
 Stefan Wahren <wahrenst@gmx.net> <stefan.wahren@i2se.com>
 Stéphane Witzmann <stephane.witzmann@ubpmes.univ-bpclermont.fr>
 Stephen Hemminger <stephen@networkplumber.org> <shemminger@linux-foundation.org>

MAINTAINERS

@@ -4555,6 +4555,7 @@ BPF [NETWORKING] (tcx & tc BPF, sock_addr)
 M:	Martin KaFai Lau <martin.lau@linux.dev>
 M:	Daniel Borkmann <daniel@iogearbox.net>
 R:	John Fastabend <john.fastabend@gmail.com>
+R:	Stanislav Fomichev <sdf@fomichev.me>
 L:	bpf@vger.kernel.org
 L:	netdev@vger.kernel.org
 S:	Maintained
@@ -26967,6 +26968,7 @@ M:	David S. Miller <davem@davemloft.net>
 M:	Jakub Kicinski <kuba@kernel.org>
 M:	Jesper Dangaard Brouer <hawk@kernel.org>
 M:	John Fastabend <john.fastabend@gmail.com>
+R:	Stanislav Fomichev <sdf@fomichev.me>
 L:	netdev@vger.kernel.org
 L:	bpf@vger.kernel.org
 S:	Supported
@@ -26988,6 +26990,7 @@ M:	Björn Töpel <bjorn@kernel.org>
 M:	Magnus Karlsson <magnus.karlsson@intel.com>
 M:	Maciej Fijalkowski <maciej.fijalkowski@intel.com>
 R:	Jonathan Lemon <jonathan.lemon@gmail.com>
+R:	Stanislav Fomichev <sdf@fomichev.me>
 L:	netdev@vger.kernel.org
 L:	bpf@vger.kernel.org
 S:	Maintained

tools/bpf/resolve_btfids/Makefile

@@ -17,7 +17,7 @@ endif
 
 # Overrides for the prepare step libraries.
 HOST_OVERRIDES := AR="$(HOSTAR)" CC="$(HOSTCC)" LD="$(HOSTLD)" ARCH="$(HOSTARCH)" \
-		  CROSS_COMPILE="" EXTRA_CFLAGS="$(HOSTCFLAGS)"
+		  CROSS_COMPILE="" CLANG_CROSS_FLAGS="" EXTRA_CFLAGS="$(HOSTCFLAGS)"
 
 RM      ?= rm
 HOSTCC  ?= gcc

tools/lib/bpf/btf.c

@@ -1384,20 +1384,20 @@ static struct btf *btf_parse_raw_mmap(const char *path, struct btf *base_btf)
 
 	fd = open(path, O_RDONLY);
 	if (fd < 0)
-		return libbpf_err_ptr(-errno);
+		return ERR_PTR(-errno);
 
 	if (fstat(fd, &st) < 0) {
 		err = -errno;
 		close(fd);
-		return libbpf_err_ptr(err);
+		return ERR_PTR(err);
 	}
 
 	data = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
 	err = -errno;
 	close(fd);
 
 	if (data == MAP_FAILED)
-		return libbpf_err_ptr(err);
+		return ERR_PTR(err);
 
 	btf = btf_new(data, st.st_size, base_btf, true);
 	if (IS_ERR(btf))