Messages in this thread Patch in this message | | | From | jim.cromie@gmail ... | Subject | [PATCH 10/16] dynamic_debug: simplify dynamic_debug_init error exit | Date | Sun, 25 Mar 2012 17:25:48 -0600 |
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From: Jim Cromie <jim.cromie@gmail.com>
We dont want errors while parsing ddebug_query to unload ddebug tables, so set success after tables are loaded, and return 0 after query parsing is done.
Simplify error handling code since its no longer used for success, and change goto label to out_err to clarify this.
Signed-off-by: Jim Cromie <jim.cromie@gmail.com> --- lib/dynamic_debug.c | 19 ++++++++----------- 1 files changed, 8 insertions(+), 11 deletions(-)
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index baff763..5f0d31f 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -984,7 +984,7 @@ static int __init dynamic_debug_init(void) if (strcmp(modname, iter->modname)) { ret = ddebug_add_module(iter_start, n, modname); if (ret) - goto out_free; + goto out_err; n = 0; modname = iter->modname; iter_start = iter; @@ -993,9 +993,11 @@ static int __init dynamic_debug_init(void) } ret = ddebug_add_module(iter_start, n, modname); if (ret) - goto out_free; + goto out_err; - /* ddebug_query boot param got passed -> set it up */ + ddebug_init_success = 1; + + /* apply ddebug_query boot param, dont unload tables on err */ if (ddebug_setup_string[0] != '\0') { pr_warn("ddebug_query param name is deprecated," " change it to dyndbg\n"); @@ -1005,9 +1007,6 @@ static int __init dynamic_debug_init(void) ddebug_setup_string); else pr_info("%d changes by ddebug_query\n", ret); - - /* keep tables even on ddebug_query parse error */ - ret = 0; } /* now that ddebug tables are loaded, process all boot args * again to find and activate queries given in dyndbg params. @@ -1021,12 +1020,10 @@ static int __init dynamic_debug_init(void) parse_args("dyndbg params", cmdline, NULL, 0, 0, 0, &ddebug_dyndbg_boot_param_cb); kfree(cmdline); + return 0; -out_free: - if (ret) - ddebug_remove_all_tables(); - else - ddebug_init_success = 1; +out_err: + ddebug_remove_all_tables(); return 0; } /* Allow early initialization for boot messages via boot param */ -- 1.7.7.6
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