ofp-parse: Silence uninitialized use warnings with optimized gcc.

GCC 4.6.3 gets confused by the str_to_*() functions in ofp-parse and
spits out the following warning.

error: ‘priority’ may be used uninitialized in this function

Signed-off-by: Ethan Jackson <ethan@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>

diff --git a/lib/ofp-parse.c b/lib/ofp-parse.c
index 5cb39f5..2983474 100644 (file)
--- a/lib/ofp-parse.c
+++ b/lib/ofp-parse.c
@@ -132,7 +132,7 @@ str_to_u64(const char *str, uint64_t *valuep)
 static char * WARN_UNUSED_RESULT
 str_to_be64(const char *str, ovs_be64 *valuep)
 {
-    uint64_t value;
+    uint64_t value = 0;
     char *error;
 
     error = str_to_u64(str, &value);
@@ -246,7 +246,7 @@ parse_resubmit(char *arg, struct ofpbuf *ofpacts)
 
     table_s = strsep(&arg, ",");
     if (table_s && table_s[0]) {
-        uint32_t table_id;
+        uint32_t table_id = 0;
         char *error;
 
         error = str_to_u32(table_s, &table_id);
@@ -598,10 +598,10 @@ parse_named_action(enum ofputil_action_code code,
     size_t orig_size = ofpacts->size;
     struct ofpact_tunnel *tunnel;
     char *error = NULL;
-    uint16_t ethertype;
-    uint16_t vid;
-    uint8_t pcp;
-    uint8_t tos;
+    uint16_t ethertype = 0;
+    uint16_t vid = 0;
+    uint8_t tos = 0;
+    uint8_t pcp = 0;
 
     switch (code) {
     case OFPUTIL_ACTION_INVALID:
@@ -1184,7 +1184,7 @@ parse_ofp_str__(struct ofputil_flow_mod *fm, int command, char *string)
                                       value);
                 }
             } else if (fields & F_PRIORITY && !strcmp(name, "priority")) {
-                uint16_t priority;
+                uint16_t priority = 0;
 
                 error = str_to_u16(value, name, &priority);
                 fm->priority = priority;