[PATCH] strtok->strsep in shmem

mm/shmem.c

@@ -1203,10 +1203,9 @@ static int shmem_parse_options(char *options, int *mode, uid_t *uid, gid_t *gid,
 {
 	char *this_char, *value, *rest;
 
-	this_char = NULL;
-	if ( options )
-		this_char = strtok(options,",");
-	for ( ; this_char; this_char = strtok(NULL,",")) {
+	while ((this_char = strsep(&options, ",")) != NULL) {
+		if (!*this_char)
+			continue;
 		if ((value = strchr(this_char,'=')) != NULL) {
 			*value++ = 0;
 		} else {