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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2023-03-13 15:40:05 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-03-14 20:27:43 -0400 |
| commit | 91b9486edb7bdbe7ea0abd9198b280b15ff4fedb (patch) | |
| tree | e3c96c5f637810fb24f2600e318781ae983d1bda | |
| parent | 3504cbdfb90499459fbee29ac426c3cb0650f092 (diff) | |
fixup! lib: code tagging module support
| -rw-r--r-- | lib/codetag.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/codetag.c b/lib/codetag.c index a936d2988c96..0c78906266f4 100644 --- a/lib/codetag.c +++ b/lib/codetag.c @@ -244,15 +244,20 @@ static inline size_t range_size(const struct codetag_type *cttype, static void *get_symbol(struct module *mod, const char *prefix, const char *name) { char buf[64]; + void *ret; int res; res = snprintf(buf, sizeof(buf), "%s%s", prefix, name); if (WARN_ON(res < 1 || res > sizeof(buf))) return NULL; - return mod ? + preempt_disable(); + ret = mod ? (void *)find_kallsyms_symbol_value(mod, buf) : (void *)kallsyms_lookup_name(buf); + preempt_enable(); + + return ret; } static struct codetag_range get_section_range(struct module *mod, |