Merge tag 'dmaengine-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul...

[platform/kernel/linux-starfive.git] / kernel / kallsyms_selftest.c

diff --git a/kernel/kallsyms_selftest.c b/kernel/kallsyms_selftest.c
index e05ddc3..b4cac76 100644 (file)
--- 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;
+                       }
                }
        }