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authorAl Viro <viro@zeniv.linux.org.uk>2025-07-06 18:39:04 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2025-09-15 21:17:08 -0400
commit1b8abbb12128d0084712bf263d8f6bbc039e5547 (patch)
treea55ab3dab195c61d8c1141c5d912fbdc7035ab94
parent63dbfb077cdad21b356e17d4ce76650e67b83159 (diff)
bpf...d_path(): constify path argument
Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--fs/bpf_fs_kfuncs.c2
-rw-r--r--kernel/trace/bpf_trace.c2
-rw-r--r--tools/testing/selftests/bpf/bpf_experimental.h2
3 files changed, 3 insertions, 3 deletions
diff --git a/fs/bpf_fs_kfuncs.c b/fs/bpf_fs_kfuncs.c
index 1e36a12b88f7..5ace2511fec5 100644
--- a/fs/bpf_fs_kfuncs.c
+++ b/fs/bpf_fs_kfuncs.c
@@ -79,7 +79,7 @@ __bpf_kfunc void bpf_put_file(struct file *file)
* pathname in *buf*, including the NUL termination character. On error, a
* negative integer is returned.
*/
-__bpf_kfunc int bpf_path_d_path(struct path *path, char *buf, size_t buf__sz)
+__bpf_kfunc int bpf_path_d_path(const struct path *path, char *buf, size_t buf__sz)
{
int len;
char *ret;
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index 3ae52978cae6..a8bd6a7351a3 100644
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c
@@ -900,7 +900,7 @@ const struct bpf_func_proto bpf_send_signal_thread_proto = {
.arg1_type = ARG_ANYTHING,
};
-BPF_CALL_3(bpf_d_path, struct path *, path, char *, buf, u32, sz)
+BPF_CALL_3(bpf_d_path, const struct path *, path, char *, buf, u32, sz)
{
struct path copy;
long len;
diff --git a/tools/testing/selftests/bpf/bpf_experimental.h b/tools/testing/selftests/bpf/bpf_experimental.h
index da7e230f2781..c15797660cdf 100644
--- a/tools/testing/selftests/bpf/bpf_experimental.h
+++ b/tools/testing/selftests/bpf/bpf_experimental.h
@@ -219,7 +219,7 @@ extern void bpf_put_file(struct file *file) __ksym;
* including the NULL termination character, stored in the supplied
* buffer. On error, a negative integer is returned.
*/
-extern int bpf_path_d_path(struct path *path, char *buf, size_t buf__sz) __ksym;
+extern int bpf_path_d_path(const struct path *path, char *buf, size_t buf__sz) __ksym;
/* This macro must be used to mark the exception callback corresponding to the
* main program. For example: