[PATCH bpf-next] bpf: replace the document for PTR_TO_BTF_ID_OR_NULL

[PATCH bpf-next] bpf: replace the document for PTR_TO_BTF_ID_OR_NULL

[Menglong Dong]

Commit c25b2ae13603 ("bpf: Replace PTR_TO_XXX_OR_NULL with PTR_TO_XXX |
PTR_MAYBE_NULL") moved the fields around and misplaced the
documentation for "PTR_TO_BTF_ID_OR_NULL". So, let's replace it in the
proper place.

Signed-off-by: Menglong Dong <dongml2@chinatelecom.cn>
---
 include/linux/bpf.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 1b84613b10ac..7da41ae2eac8 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -932,10 +932,6 @@ enum bpf_reg_type {
 	 * additional context, assume the value is non-null.
 	 */
 	PTR_TO_BTF_ID,
-	/* PTR_TO_BTF_ID_OR_NULL points to a kernel struct that has not
-	 * been checked for null. Used primarily to inform the verifier
-	 * an explicit null check is required for this struct.
-	 */
 	PTR_TO_MEM,		 /* reg points to valid memory region */
 	PTR_TO_ARENA,
 	PTR_TO_BUF,		 /* reg points to a read/write buffer */
@@ -948,6 +944,10 @@ enum bpf_reg_type {
 	PTR_TO_SOCKET_OR_NULL		= PTR_MAYBE_NULL | PTR_TO_SOCKET,
 	PTR_TO_SOCK_COMMON_OR_NULL	= PTR_MAYBE_NULL | PTR_TO_SOCK_COMMON,
 	PTR_TO_TCP_SOCK_OR_NULL		= PTR_MAYBE_NULL | PTR_TO_TCP_SOCK,
+	/* PTR_TO_BTF_ID_OR_NULL points to a kernel struct that has not
+	 * been checked for null. Used primarily to inform the verifier
+	 * an explicit null check is required for this struct.
+	 */
 	PTR_TO_BTF_ID_OR_NULL		= PTR_MAYBE_NULL | PTR_TO_BTF_ID,
 
 	/* This must be the last entry. Its purpose is to ensure the enum is
-- 
2.39.5

Re: [PATCH bpf-next] bpf: replace the document for PTR_TO_BTF_ID_OR_NULL

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Andrii Nakryiko <andrii@kernel.org>:

On Mon, 11 Nov 2024 20:49:11 +0800 you wrote:
> Commit c25b2ae13603 ("bpf: Replace PTR_TO_XXX_OR_NULL with PTR_TO_XXX |
> PTR_MAYBE_NULL") moved the fields around and misplaced the
> documentation for "PTR_TO_BTF_ID_OR_NULL". So, let's replace it in the
> proper place.
> 
> Signed-off-by: Menglong Dong <dongml2@chinatelecom.cn>
> 
> [...]

Here is the summary with links:
  - [bpf-next] bpf: replace the document for PTR_TO_BTF_ID_OR_NULL
    https://git.kernel.org/bpf/bpf-next/c/213a695297e1

You are awesome, thank you!
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