eal: minor changes

Signed-off-by: Intel

lib/librte_eal/linuxapp/eal/eal.c

@@ -337,7 +337,8 @@ eal_usage(const char *prgname)
 	       "  --"OPT_NO_HUGE"  : use malloc instead of hugetlbfs\n"
 	       "  --"OPT_NO_PCI"   : disable pci\n"
 	       "  --"OPT_NO_HPET"  : disable hpet\n"
-	       "  --"OPT_NO_SHCONF": no shared config (mmap'd files)\n\n",
+	       "  --"OPT_NO_SHCONF": no shared config (mmap'd files)\n"
+	       "\n",
 	       prgname);
 	/* Allow the application to print its usage message too if hook is set */
 	if ( rte_application_usage_hook ) {
@@ -543,7 +544,6 @@ eal_parse_blacklist_opt(const char *optarg, size_t idx)
 	return (idx);
 }
 
-
 /* Parse the argument given in the command line of the application */
 static int
 eal_parse_args(int argc, char **argv)

lib/librte_eal/linuxapp/eal/eal_debug.c

@@ -96,7 +96,8 @@ rte_exit(int exit_code, const char *format, ...)
 	rte_log_set_history(0);
 
 	if (exit_code != 0)
-		RTE_LOG(CRIT, EAL, "Error - exiting with code: %d\nCause: ", exit_code);
+		RTE_LOG(CRIT, EAL, "Error - exiting with code: %d\n"
+				"  Cause: ", exit_code);
 
 	va_start(ap, format);
 	rte_vlog(RTE_LOG_CRIT, RTE_LOGTYPE_EAL, format, ap);

lib/librte_eal/linuxapp/eal/eal_interrupts.c

@@ -373,15 +373,13 @@ eal_intr_process_interrupts(struct epoll_event *events, int nfds)
 		 */
 		bytes_read = read(events[n].data.fd, &buf, bytes_read);
 
-		if (bytes_read < 0) {
-			RTE_LOG(ERR, EAL, "Error reading from file descriptor"
-				" %d, error: %d\n", events[n].data.fd, errno);
-		}
-		else if (bytes_read == 0) {
-			RTE_LOG(ERR, EAL,
-				"Read nothing from file descriptor %d.\n",
-							events[n].data.fd);
-		}
+		if (bytes_read < 0)
+			RTE_LOG(ERR, EAL, "Error reading from file "
+				"descriptor %d: %s\n", events[n].data.fd,
+							strerror(errno));
+		else if (bytes_read == 0)
+			RTE_LOG(ERR, EAL, "Read nothing from file "
+				"descriptor %d\n", events[n].data.fd);
 
 		/* grab a lock, again to call callbacks and update status. */
 		rte_spinlock_lock(&intr_lock);