[dpdk-dev,v2,08/25] eal: do not panic on memzone initialization fails

Message ID 20170208185142.28678-9-aconole@redhat.com (mailing list archive)
State Superseded, archived
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel compilation fail Compilation issues

Commit Message

Aaron Conole Feb. 8, 2017, 6:51 p.m. UTC
  When memzone initialization fails, report the error to the calling
application rather than panic().  Without a good way of detaching /
releasing hugepages, at this point the application will have to restart.

Signed-off-by: Aaron Conole <aconole@redhat.com>
---
 lib/librte_eal/linuxapp/eal/eal.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
  

Patch

diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c
index 88d59a2..8f9bce1 100644
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -832,8 +832,11 @@  rte_eal_init(int argc, char **argv)
 	/* the directories are locked during eal_hugepage_info_init */
 	eal_hugedirs_unlock();
 
-	if (rte_eal_memzone_init() < 0)
-		rte_panic("Cannot init memzone\n");
+	if (rte_eal_memzone_init() < 0) {
+		RTE_LOG(ERR, EAL, "Cannot init memzone\n");
+		rte_errno = ENODEV;
+		return -1;
+	}
 
 	if (rte_eal_tailqs_init() < 0)
 		rte_panic("Cannot init tail queues for objects\n");