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ioctl: use dummy passthru command #3004

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Merged
igaw merged 1 commit into from
Dec 9, 2025
Merged

ioctl: use dummy passthru command #3004

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5 changes: 3 additions & 2 deletions libnvme/src/nvme/linux.c
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,7 @@ void nvme_transport_handle_set_decide_retry(struct nvme_transport_handle *hdl,

static int __nvme_transport_handle_open_direct(struct nvme_transport_handle *hdl, const char *devname)
{
struct nvme_passthru_cmd dummy = { 0 };
_cleanup_free_ char *path = NULL;
char *name = basename(devname);
int ret, id, ns;
Expand Down Expand Up @@ -107,8 +108,8 @@ static int __nvme_transport_handle_open_direct(struct nvme_transport_handle *hdl
return -EINVAL;
}

ret = ioctl(hdl->fd, NVME_IOCTL_ADMIN64_CMD, NULL);
if (ret == -1 && errno != ENOTTY)
ret = ioctl(hdl->fd, NVME_IOCTL_ADMIN64_CMD, &dummy);
if (ret > 0)
hdl->ioctl64 = true;

return 0;
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