diff options
Diffstat (limited to 'kernel/kallsyms_selftest.c')
| -rw-r--r-- | kernel/kallsyms_selftest.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/kernel/kallsyms_selftest.c b/kernel/kallsyms_selftest.c index e05ddc33a752..b4cac76ea5e9 100644 --- a/kernel/kallsyms_selftest.c +++ b/kernel/kallsyms_selftest.c @@ -341,6 +341,7 @@ static int test_kallsyms_basic_function(void) ret = lookup_symbol_name(addr, namebuf); if (unlikely(ret)) { namebuf[0] = 0; + pr_info("%d: lookup_symbol_name(%lx) failed\n", i, addr); goto failed; } @@ -367,8 +368,11 @@ static int test_kallsyms_basic_function(void) if (stat->addr != stat2->addr || stat->real_cnt != stat2->real_cnt || memcmp(stat->addrs, stat2->addrs, - stat->save_cnt * sizeof(stat->addrs[0]))) + stat->save_cnt * sizeof(stat->addrs[0]))) { + pr_info("%s: mismatch between kallsyms_on_each_symbol() and kallsyms_on_each_match_symbol()\n", + namebuf); goto failed; + } /* * The average of random increments is 128, that is, one of @@ -379,15 +383,23 @@ static int test_kallsyms_basic_function(void) } /* Need to be found at least once */ - if (!stat->real_cnt) + if (!stat->real_cnt) { + pr_info("%s: Never found\n", namebuf); goto failed; + } /* * kallsyms_lookup_name() returns the address of the first * symbol found and cannot be NULL. */ - if (!lookup_addr || lookup_addr != stat->addrs[0]) + if (!lookup_addr) { + pr_info("%s: NULL lookup_addr?!\n", namebuf); + goto failed; + } + if (lookup_addr != stat->addrs[0]) { + pr_info("%s: lookup_addr != stat->addrs[0]\n", namebuf); goto failed; + } /* * If the addresses of all matching symbols are recorded, the @@ -399,8 +411,10 @@ static int test_kallsyms_basic_function(void) break; } - if (j == stat->save_cnt) + if (j == stat->save_cnt) { + pr_info("%s: j == save_cnt?!\n", namebuf); goto failed; + } } } |