From: Ofer Heifetz <oferh@marvell.com>
Date: Wed, 29 Jun 2022 17:18:27 +0000 (+0300)
Subject: svm: check svm_msg_q_size_to_alloc success
X-Git-Tag: v23.02-rc0~164
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F48%2F36548%2F1;p=vpp.git

svm: check svm_msg_q_size_to_alloc success

svm_msg_q_size_to_alloc must return a valid base address, if it fails
pass up the error for handling

Type: fix

Change-Id: I408492f65f646862122acb9a187819b3bbf4f91c
Signed-off-by: Ofer Heifetz <oferh@marvell.com>
---

diff --git a/src/svm/fifo_segment.c b/src/svm/fifo_segment.c
index 489ca2a4929..c2ba6c0eb28 100644
--- a/src/svm/fifo_segment.c
+++ b/src/svm/fifo_segment.c
@@ -1098,6 +1098,9 @@ fifo_segment_msg_q_alloc (fifo_segment_t *fs, u32 mq_index,
 
   size = svm_msg_q_size_to_alloc (cfg);
   base = fsh_alloc_aligned (fsh, size, 8);
+  if (!base)
+    return 0;
+
   fsh->n_reserved_bytes += size;
 
   smq = svm_msg_q_init (base, cfg);