Merge tag 'fuse-fixes-4.20-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git...

[sfrench/cifs-2.6.git] / kernel / debug / kdb / kdb_io.c

diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c
index ed5d34925ad0617a40aeed3774b0e393aec03e99..6a4b41484afe654572f3b4f37186046c4541c8e5 100644 (file)
--- a/kernel/debug/kdb/kdb_io.c
+++ b/kernel/debug/kdb/kdb_io.c
@@ -216,7 +216,7 @@ static char *kdb_read(char *buffer, size_t bufsize)
        int count;
        int i;
        int diag, dtab_count;
-       int key;
+       int key, buf_size, ret;
 
 
        diag = kdbgetintenv("DTABCOUNT", &dtab_count);
@@ -336,9 +336,8 @@ poll_again:
                else
                        p_tmp = tmpbuffer;
                len = strlen(p_tmp);
-               count = kallsyms_symbol_complete(p_tmp,
-                                                sizeof(tmpbuffer) -
-                                                (p_tmp - tmpbuffer));
+               buf_size = sizeof(tmpbuffer) - (p_tmp - tmpbuffer);
+               count = kallsyms_symbol_complete(p_tmp, buf_size);
                if (tab == 2 && count > 0) {
                        kdb_printf("\n%d symbols are found.", count);
                        if (count > dtab_count) {
@@ -350,9 +349,13 @@ poll_again:
                        }
                        kdb_printf("\n");
                        for (i = 0; i < count; i++) {
-                               if (WARN_ON(!kallsyms_symbol_next(p_tmp, i)))
+                               ret = kallsyms_symbol_next(p_tmp, i, buf_size);
+                               if (WARN_ON(!ret))
                                        break;
-                               kdb_printf("%s ", p_tmp);
+                               if (ret != -E2BIG)
+                                       kdb_printf("%s ", p_tmp);
+                               else
+                                       kdb_printf("%s... ", p_tmp);
                                *(p_tmp + len) = '\0';
                        }
                        if (i >= dtab_count)