Author: imp
Date: Thu Apr 30 00:43:11 2020
New Revision: 360485
URL: https://svnweb.freebsd.org/changeset/base/360485
Log:
Make sure that we get the sbuf resources we need.
Since we're calling sbuf_new with NOWAIT, make sure it can allocate a
buffer to use. Don't print anything if we can't get it.
Noticed by: rpokala
Modified:
head/sys/dev/nvme/nvme_ctrlr.c
Modified: head/sys/dev/nvme/nvme_ctrlr.c
==============================================================================
--- head/sys/dev/nvme/nvme_ctrlr.c Thu Apr 30 00:43:07 2020
(r360484)
+++ head/sys/dev/nvme/nvme_ctrlr.c Thu Apr 30 00:43:11 2020
(r360485)
@@ -59,7 +59,8 @@ nvme_ctrlr_devctl_log(struct nvme_controller *ctrlr, c
va_list ap;
int error;
- sbuf_new(&sb, NULL, 0, SBUF_AUTOEXTEND | SBUF_NOWAIT);
+ if (sbuf_new(&sb, NULL, 0, SBUF_AUTOEXTEND | SBUF_NOWAIT) == NULL)
+ return;
sbuf_printf(&sb, "%s: ", device_get_nameunit(ctrlr->dev));
va_start(ap, msg);
sbuf_vprintf(&sb, msg, ap);
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