diff --git a/tools/kernel-doc/docproc.c b/tools/kernel-doc/docproc.c
index d4fc42e..a9b49c5 100644
--- a/tools/kernel-doc/docproc.c
+++ b/tools/kernel-doc/docproc.c
@@ -153,7 +153,7 @@
 static void add_new_symbol(struct symfile *sym, char * symname)
 {
 	sym->symbollist =
-          realloc(sym->symbollist, (sym->symbolcnt + 1) * sizeof(char *));
+	  realloc(sym->symbollist, (sym->symbolcnt + 1) * sizeof(char *));
 	sym->symbollist[sym->symbolcnt++].name = strdup(symname);
 }
 
@@ -214,7 +214,7 @@
 			char *p;
 			char *e;
 			if (((p = strstr(line, "EXPORT_SYMBOL_GPL")) != NULL) ||
-                            ((p = strstr(line, "EXPORT_SYMBOL")) != NULL)) {
+			    ((p = strstr(line, "EXPORT_SYMBOL")) != NULL)) {
 				/* Skip EXPORT_SYMBOL{_GPL} */
 				while (isalnum(*p) || *p == '_')
 					p++;
@@ -290,24 +290,24 @@
 static void singfunc(char * filename, char * line)
 {
 	char *vec[200]; /* Enough for specific functions */
-        int i, idx = 0;
-        int startofsym = 1;
+	int i, idx = 0;
+	int startofsym = 1;
 	vec[idx++] = KERNELDOC;
 	vec[idx++] = DOCBOOK;
 
-        /* Split line up in individual parameters preceded by FUNCTION */
-        for (i=0; line[i]; i++) {
-                if (isspace(line[i])) {
-                        line[i] = '\0';
-                        startofsym = 1;
-                        continue;
-                }
-                if (startofsym) {
-                        startofsym = 0;
-                        vec[idx++] = FUNCTION;
-                        vec[idx++] = &line[i];
-                }
-        }
+	/* Split line up in individual parameters preceded by FUNCTION */
+	for (i=0; line[i]; i++) {
+		if (isspace(line[i])) {
+			line[i] = '\0';
+			startofsym = 1;
+			continue;
+		}
+		if (startofsym) {
+			startofsym = 0;
+			vec[idx++] = FUNCTION;
+			vec[idx++] = &line[i];
+		}
+	}
 	for (i = 0; i < idx; i++) {
 		if (strcmp(vec[i], FUNCTION))
 			continue;
@@ -456,14 +456,14 @@
 					break;
 				case 'D':
 					while (*s && !isspace(*s)) s++;
-                                        *s = '\0';
-                                        symbolsonly(line+2);
-                                        break;
+					*s = '\0';
+					symbolsonly(line+2);
+					break;
 				case 'F':
 					/* filename */
 					while (*s && !isspace(*s)) s++;
 					*s++ = '\0';
-                                        /* function names */
+					/* function names */
 					while (isspace(*s))
 						s++;
 					singlefunctions(line +2, s);
@@ -511,11 +511,11 @@
 	}
 	/* Open file, exit on error */
 	infile = fopen(argv[2], "r");
-        if (infile == NULL) {
-                fprintf(stderr, "docproc: ");
-                perror(argv[2]);
-                exit(2);
-        }
+	if (infile == NULL) {
+		fprintf(stderr, "docproc: ");
+		perror(argv[2]);
+		exit(2);
+	}
 
 	if (strcmp("doc", argv[1]) == 0) {
 		/* Need to do this in two passes.