diff mbox series

[bpf-next] bpf: Remove redundant assignment to smap->map.value_size

Message ID 20220323073626.958652-1-ytcoode@gmail.com (mailing list archive)
State Accepted
Commit 8eb943fc5e5fa62751248302fe8f6c9856d81c09
Delegated to: BPF
Headers show
Series [bpf-next] bpf: Remove redundant assignment to smap->map.value_size | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for bpf-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Single patches do not need cover letters
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 2 this patch: 2
netdev/cc_maintainers success CCed 10 of 10 maintainers
netdev/build_clang success Errors and warnings before: 18 this patch: 18
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 7 this patch: 7
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 7 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
bpf/vmtest-bpf-next-PR fail PR summary

Commit Message

Yuntao Wang March 23, 2022, 7:36 a.m. UTC
The attr->value_size is already assigned to smap->map.value_size
in bpf_map_init_from_attr(), there is no need to do it again in
stack_map_alloc()

Signed-off-by: Yuntao Wang <ytcoode@gmail.com>
---
 kernel/bpf/stackmap.c | 1 -
 1 file changed, 1 deletion(-)

Comments

Joanne Koong March 23, 2022, 5:26 p.m. UTC | #1
On Wed, Mar 23, 2022 at 2:21 AM Yuntao Wang <ytcoode@gmail.com> wrote:
>
> The attr->value_size is already assigned to smap->map.value_size
> in bpf_map_init_from_attr(), there is no need to do it again in
> stack_map_alloc()
>
> Signed-off-by: Yuntao Wang <ytcoode@gmail.com>

LGTM.
Acked-by: Joanne Koong <joannelkoong@gmail.com>

> ---
>  kernel/bpf/stackmap.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c
> index 34725bfa1e97..6131b4a19572 100644
> --- a/kernel/bpf/stackmap.c
> +++ b/kernel/bpf/stackmap.c
> @@ -106,7 +106,6 @@ static struct bpf_map *stack_map_alloc(union bpf_attr *attr)
>                 return ERR_PTR(-ENOMEM);
>
>         bpf_map_init_from_attr(&smap->map, attr);
> -       smap->map.value_size = value_size;
>         smap->n_buckets = n_buckets;
>
>         err = get_callchain_buffers(sysctl_perf_event_max_stack);
> --
> 2.35.0.rc2
>
patchwork-bot+netdevbpf@kernel.org April 1, 2022, 8:50 p.m. UTC | #2
Hello:

This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@iogearbox.net>:

On Wed, 23 Mar 2022 15:36:26 +0800 you wrote:
> The attr->value_size is already assigned to smap->map.value_size
> in bpf_map_init_from_attr(), there is no need to do it again in
> stack_map_alloc()
> 
> Signed-off-by: Yuntao Wang <ytcoode@gmail.com>
> ---
>  kernel/bpf/stackmap.c | 1 -
>  1 file changed, 1 deletion(-)

Here is the summary with links:
  - [bpf-next] bpf: Remove redundant assignment to smap->map.value_size
    https://git.kernel.org/bpf/bpf-next/c/8eb943fc5e5f

You are awesome, thank you!
diff mbox series

Patch

diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c
index 34725bfa1e97..6131b4a19572 100644
--- a/kernel/bpf/stackmap.c
+++ b/kernel/bpf/stackmap.c
@@ -106,7 +106,6 @@  static struct bpf_map *stack_map_alloc(union bpf_attr *attr)
 		return ERR_PTR(-ENOMEM);
 
 	bpf_map_init_from_attr(&smap->map, attr);
-	smap->map.value_size = value_size;
 	smap->n_buckets = n_buckets;
 
 	err = get_callchain_buffers(sysctl_perf_event_max_stack);