Merge tag 'core-debugobjects-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-2.6-microblaze.git] / lib / dynamic_debug.c
index 04f4c80..2d4dfd4 100644 (file)
@@ -237,7 +237,6 @@ static int ddebug_tokenize(char *buf, char *words[], int maxwords)
 {
        int nwords = 0;
 
-       vpr_info("entry, buf:'%s'\n", buf);
        while (*buf) {
                char *end;
 
@@ -248,8 +247,6 @@ static int ddebug_tokenize(char *buf, char *words[], int maxwords)
                if (*buf == '#')
                        break;  /* token starts comment, skip rest of line */
 
-               vpr_info("start-of-word:%d '%s'\n", nwords, buf);
-
                /* find `end' of word, whitespace separated or quoted */
                if (*buf == '"' || *buf == '\'') {
                        int quote = *buf++;
@@ -260,9 +257,7 @@ static int ddebug_tokenize(char *buf, char *words[], int maxwords)
                                return -EINVAL; /* unclosed quote */
                        }
                } else {
-                       for (end = buf;
-                            *end && *end != '=' && !isspace(*end);
-                            end++)
+                       for (end = buf; *end && !isspace(*end); end++)
                                ;
                        BUG_ON(end == buf);
                }
@@ -358,8 +353,7 @@ static int check_set(const char **dest, char *src, char *name)
 
 /*
  * Parse words[] as a ddebug query specification, which is a series
- * of (keyword, value) pairs or combined keyword=value terms,
- * chosen from these possibilities:
+ * of (keyword, value) pairs chosen from these possibilities:
  *
  * func <function-name>
  * file <full-pathname>
@@ -379,24 +373,21 @@ static int ddebug_parse_query(char *words[], int nwords,
        int rc = 0;
        char *fline;
 
+       /* check we have an even number of words */
        if (nwords % 2 != 0) {
                pr_err("expecting pairs of match-spec <value>\n");
                return -EINVAL;
        }
-       if (modname) {
+
+       if (modname)
                /* support $modname.dyndbg=<multiple queries> */
-               vpr_info("module:%s queries:'%s'\n", modname);
                query->module = modname;
-       }
+
        for (i = 0; i < nwords; i += 2) {
-               char *keyword = words[i];
-               char *arg = words[i+1];
-
-               vpr_info("keyword:'%s' value:'%s'\n", keyword, arg);
-               if (!strcmp(keyword, "func")) {
-                       rc = check_set(&query->function, arg, "func");
-               } else if (!strcmp(keyword, "file")) {
-                       if (check_set(&query->filename, arg, "file"))
+               if (!strcmp(words[i], "func")) {
+                       rc = check_set(&query->function, words[i+1], "func");
+               } else if (!strcmp(words[i], "file")) {
+                       if (check_set(&query->filename, words[i+1], "file"))
                                return -EINVAL;
 
                        /* tail :$info is function or line-range */
@@ -412,18 +403,18 @@ static int ddebug_parse_query(char *words[], int nwords,
                                if (parse_linerange(query, fline))
                                        return -EINVAL;
                        }
-               } else if (!strcmp(keyword, "module")) {
-                       rc = check_set(&query->module, arg, "module");
-               } else if (!strcmp(keyword, "format")) {
-                       string_unescape_inplace(arg, UNESCAPE_SPACE |
+               } else if (!strcmp(words[i], "module")) {
+                       rc = check_set(&query->module, words[i+1], "module");
+               } else if (!strcmp(words[i], "format")) {
+                       string_unescape_inplace(words[i+1], UNESCAPE_SPACE |
                                                            UNESCAPE_OCTAL |
                                                            UNESCAPE_SPECIAL);
-                       rc = check_set(&query->format, arg, "format");
-               } else if (!strcmp(keyword, "line")) {
-                       if (parse_linerange(query, arg))
+                       rc = check_set(&query->format, words[i+1], "format");
+               } else if (!strcmp(words[i], "line")) {
+                       if (parse_linerange(query, words[i+1]))
                                return -EINVAL;
                } else {
-                       pr_err("unknown keyword \"%s\"\n", keyword);
+                       pr_err("unknown keyword \"%s\"\n", words[i]);
                        return -EINVAL;
                }
                if (rc)