bpf: bpf_struct_ops: Remove unnecessary initial values of variables

err and tlinks is assigned first, so it does not need to initialize the
assignment.

Signed-off-by: Li kunyu <kunyu@nfschina.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230804175929.2867-1-kunyu@nfschina.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>

diff --git a/kernel/bpf/bpf_struct_ops.c b/kernel/bpf/bpf_struct_ops.c
index 116a0ce..eaff04e 100644 (file)
--- a/kernel/bpf/bpf_struct_ops.c
+++ b/kernel/bpf/bpf_struct_ops.c
@@ -374,9 +374,9 @@ static long bpf_struct_ops_map_update_elem(struct bpf_map *map, void *key,
        struct bpf_struct_ops_value *uvalue, *kvalue;
        const struct btf_member *member;
        const struct btf_type *t = st_ops->type;
-       struct bpf_tramp_links *tlinks = NULL;
+       struct bpf_tramp_links *tlinks;
        void *udata, *kdata;
-       int prog_fd, err = 0;
+       int prog_fd, err;
        void *image, *image_end;
        u32 i;
 
@@ -815,7 +815,7 @@ static int bpf_struct_ops_map_link_update(struct bpf_link *link, struct bpf_map
        struct bpf_struct_ops_map *st_map, *old_st_map;
        struct bpf_map *old_map;
        struct bpf_struct_ops_link *st_link;
-       int err = 0;
+       int err;
 
        st_link = container_of(link, struct bpf_struct_ops_link, link);
        st_map = container_of(new_map, struct bpf_struct_ops_map, map);