Commit 1b8abbb1 authored Jul 06, 2025 by Al Viro

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>

parent 63dbfb07

fs/bpf_fs_kfuncs.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;

kernel/trace/bpf_trace.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;

tools/testing/selftests/bpf/bpf_experimental.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -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: