Rename the local variable 'off' to 'offset' to avoid shadowing the existing
'off' variable that is declared as an `int` in the outer scope of
bpf_convert_ctx_access().

This fixes a compiler warning:

 net/core/filter.c:9679:8: warning: declaration shadows a local variable [-Wshadow]

Signed-off-by: Breno Leitao <leitao@debian.org>
---
 net/core/filter.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/core/filter.c b/net/core/filter.c
index 2ec162dd83c46..c23c969cf7d83 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -9635,7 +9635,7 @@ static u32 bpf_convert_ctx_access(enum bpf_access_type type,
 
 	case offsetof(struct __sk_buff, queue_mapping):
 		if (type == BPF_WRITE) {
-			u32 off = bpf_target_off(struct sk_buff, queue_mapping, 2, target_size);
+			u32 offset = bpf_target_off(struct sk_buff, queue_mapping, 2, target_size);
 
 			if (BPF_CLASS(si->code) == BPF_ST && si->imm >= NO_QUEUE_MAPPING) {
 				*insn++ = BPF_JMP_A(0); /* noop */
@@ -9644,7 +9644,7 @@ static u32 bpf_convert_ctx_access(enum bpf_access_type type,
 
 			if (BPF_CLASS(si->code) == BPF_STX)
 				*insn++ = BPF_JMP_IMM(BPF_JGE, si->src_reg, NO_QUEUE_MAPPING, 1);
-			*insn++ = BPF_EMIT_STORE(BPF_H, si, off);
+			*insn++ = BPF_EMIT_STORE(BPF_H, si, offset);
 		} else {
 			*insn++ = BPF_LDX_MEM(BPF_H, si->dst_reg, si->src_reg,
 					      bpf_target_off(struct sk_buff,

---
base-commit: 76544811c850a1f4c055aa182b513b7a843868ea
change-id: 20250228-fix_filter-5385ff6e154b

Best regards,
-- 
Breno Leitao <leitao@debian.org>

On 2/28/25 10:43 AM, Breno Leitao wrote:
> Rename the local variable 'off' to 'offset' to avoid shadowing the existing
> 'off' variable that is declared as an `int` in the outer scope of
> bpf_convert_ctx_access().
>
> This fixes a compiler warning:
>
>   net/core/filter.c:9679:8: warning: declaration shadows a local variable [-Wshadow]
>
> Signed-off-by: Breno Leitao <leitao@debian.org>

Make sense to me.

Acked-by: Yonghong Song <yonghong.song@linux.dev>