get rid of remaining -Wunused-result warnings

[mirror_iproute2.git] / misc / ss.c

diff --git a/misc/ss.c b/misc/ss.c
index 7928573285e4ea3326ebef76c442c8e0207e5f6c..d509009429de175fbc2f7ce02baa11496ad3abf0 100644 (file)
--- a/misc/ss.c
+++ b/misc/ss.c
@@ -528,7 +528,8 @@ static void user_ent_hash_build(void)
                                snprintf(tmp, sizeof(tmp), "%s/%d/stat",
                                        root, pid);
                                if ((fp = fopen(tmp, "r")) != NULL) {
-                                       fscanf(fp, "%*d (%[^)])", p);
+                                       if (fscanf(fp, "%*d (%[^)])", p) < 1)
+                                               ; /* ignore */
                                        fclose(fp);
                                }
                        }
@@ -660,7 +661,10 @@ static int get_slabstat(struct slabstat *s)
 
        cnt = sizeof(*s)/sizeof(int);
 
-       fgets(buf, sizeof(buf), fp);
+       if (!fgets(buf, sizeof(buf), fp)) {
+               fclose(fp);
+               return -1;
+       }
        while(fgets(buf, sizeof(buf), fp) != NULL) {
                int i;
                for (i=0; i<sizeof(slabstat_ids)/sizeof(slabstat_ids[0]); i++) {
@@ -2725,7 +2729,10 @@ static int unix_show(struct filter *f)
 
        if ((fp = net_unix_open()) == NULL)
                return -1;
-       fgets(buf, sizeof(buf)-1, fp);
+       if (!fgets(buf, sizeof(buf)-1, fp)) {
+               fclose(fp);
+               return -1;
+       }
 
        if (memcmp(buf, "Peer", 4) == 0)
                newformat = 1;
@@ -3210,7 +3217,10 @@ static int netlink_show(struct filter *f)
 
        if ((fp = net_netlink_open()) == NULL)
                return -1;
-       fgets(buf, sizeof(buf)-1, fp);
+       if (!fgets(buf, sizeof(buf)-1, fp)) {
+               fclose(fp);
+               return -1;
+       }
 
        while (fgets(buf, sizeof(buf)-1, fp)) {
                sscanf(buf, "%llx %d %d %x %d %d %llx %d",