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Make sure that we get the sbuf resources we need.

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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
This commit is contained in:
imp 2020-04-30 00:43:11 +00:00
parent 1c63fddbd7
commit b8ce7e8464
1 changed files with 2 additions and 1 deletions
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3
sys/dev/nvme/nvme_ctrlr.c
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@ -59,7 +59,8 @@ nvme_ctrlr_devctl_log(struct nvme_controller *ctrlr, const char *type, const cha
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);