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bpf: Finish constification of 1st parameter of bpf_d_path()

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The commit 1b8abbb12128 ("bpf...d_path(): constify path argument")
constified the first parameter of the bpf_d_path(), but failed to
update it in all places. Finish constification.

Otherwise the selftest fail to build:
.../selftests/bpf/bpf_experimental.h:222:12: error: conflicting types for 'bpf_path_d_path'
  222 | extern int bpf_path_d_path(const struct path *path, char *buf, size_t buf__sz) __ksym;
      |            ^
.../selftests/bpf/tools/include/vmlinux.h:153922:12: note: previous declaration is here
 153922 | extern int bpf_path_d_path(struct path *path, char *buf, size_t buf__sz) __weak __ksym;

Fixes: 1b8abbb12128 ("bpf...d_path(): constify path argument")
Signed-off-by: Rong Tao <rongtao@cestc.cn>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Rong Tao
2025-10-04 22:23:29 +08:00
committed by Andrii Nakryiko
parent eca524d5a6
commit 379ac32f2c
1 changed files with 1 additions and 1 deletions
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include/uapi/linux/bpf.h
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@@ -4891,7 +4891,7 @@ union bpf_attr {
*
* **-ENOENT** if the bpf_local_storage cannot be found.
*
* long bpf_d_path(struct path *path, char *buf, u32 sz)
* long bpf_d_path(const struct path *path, char *buf, u32 sz)
* Description
* Return full path for given **struct path** object, which
* needs to be the kernel BTF *path* object. The path is