mpstat: code shrink

function                                             old     new   delta
get_uptime                                           134     129      -5
get_irqs_from_stat                                   110     103      -7

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/procps/mpstat.c b/procps/mpstat.c
index c628d62152ad64f783e8d9cdc3b5f72526ebead7..af3263d67e67dfd446acf60296e418f6e702efa8 100644 (file)
--- a/procps/mpstat.c
+++ b/procps/mpstat.c
@@ -522,9 +522,7 @@ static void get_irqs_from_stat(struct stats_irq *irq)
        FILE *fp;
        char buf[1024];
 
-       fp = fopen_for_read(PROCFS_STAT);
-       if (!fp)
-               return;
+       fp = xfopen_for_read(PROCFS_STAT);
 
        while (fgets(buf, sizeof(buf), fp)) {
                //bb_error_msg("/proc/stat:'%s'", buf);
@@ -644,9 +642,7 @@ static void get_uptime(data_t *uptime)
        char buf[sizeof(long)*3 * 2 + 4]; /* enough for long.long */
        unsigned long uptime_sec, decimal;
 
-       fp = fopen_for_read(PROCFS_UPTIME);
-       if (!fp)
-               return;
+       fp = xfopen_for_read(PROCFS_UPTIME);
        if (fgets(buf, sizeof(buf), fp)) {
                if (sscanf(buf, "%lu.%lu", &uptime_sec, &decimal) == 2) {
                        *uptime = (data_t)uptime_sec * G.hz + decimal * G.hz / 100;