Song Liu cf094baa3e s390/bpf: Let arch_prepare_bpf_trampoline return program size ... arch_prepare_bpf_trampoline() for s390 currently returns 0 on success. This is not a problem for regular trampoline. However, struct_ops relies on the return value to advance "image" pointer: bpf_struct_ops_map_update_elem() { ... for_each_member(i, t, member) { ... err = bpf_struct_ops_prepare_trampoline(); ... image += err; } } When arch_prepare_bpf_trampoline returns 0 on success, all members of the struct_ops will point to the same trampoline (the last one). Fix this by returning the program size in arch_prepare_bpf_trampoline (on success). This is the same behavior as other architectures. Signed-off-by: Song Liu <song@kernel.org> Fixes: 528eb2cb87 ("s390/bpf: Implement arch_prepare_bpf_trampoline()") Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com> Link: https://lore.kernel.org/r/20230919060258.3237176-2-song@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org>		2023-09-19 02:58:22 -07:00
..
bpf_jit_comp.c	s390/bpf: Let arch_prepare_bpf_trampoline return program size	2023-09-19 02:58:22 -07:00
bpf_jit.h	bpf, s390x: remove ld_abs/ld_ind	2018-05-03 16:49:20 -07:00
Makefile	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next	2018-06-06 18:39:49 -07:00
pnet.c	s390/net: convert pnetids to ascii	2019-02-21 10:34:37 -08:00