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Probes fixes for v7.3-rc7:

Browse Source 
- tracing: probes: error if BTF is required but unavailable
   Fix to return an error instead of NULL if BTF is not available when
   user specify '$args*' meta fetch argument for probe events.
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Merge tag 'probes-fixes-v7.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull probes fix from Masami Hiramatsu:

 - error out if BTF is required but unavailable

   Fix to return an error instead of NULL if BTF is not available when
   user specify '$args*' meta fetch argument for probe events.

* tag 'probes-fixes-v7.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  tracing: probes: error if BTF is required but unavailable
This commit is contained in:
Linus Torvalds 2026-10-16 14:25:25 -10:00
commit 2d2fe9fd50
1 changed files with 1 additions and 2 deletions
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3
kernel/trace/trace_probe.c
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@ -2287,7 +2287,6 @@ const char **traceprobe_expand_meta_args(int argc, const char *argv[],
int *new_argc, char *buf, int bufsize,
struct traceprobe_parse_context *ctx)
{
const struct btf_param *params = NULL;
int i, j, n, used, ret, args_idx = -1;
const char **new_argv __free(kfree) = NULL;
@ -2305,7 +2304,7 @@ const char **traceprobe_expand_meta_args(int argc, const char *argv[],
if (args_idx != -1) {
/* $arg* requires BTF info */
trace_probe_log_err(0, NOSUP_BTFARG);
return (const char **)params;
return ERR_PTR(-EOPNOTSUPP);
}
*new_argc = argc;
return NULL;