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[PULL,for-6.1,1/1] hw/nvme: fix missing variable initializers

Message ID 20210809105609.51177-2-its@irrelevant.dk
State New
Headers show
Series [PULL,for-6.1,1/1] hw/nvme: fix missing variable initializers | expand

Commit Message

Klaus Jensen Aug. 9, 2021, 10:56 a.m. UTC 
From: Klaus Jensen <k.jensen@samsung.com>

Coverity found that 'uuid', 'csi' and 'eui64' are uninitialized. While
we set most of the fields, we do not explicitly set the rsvd2 field in
the NvmeIdNsDescr header.

Fix this by explicitly zero-initializing the variables.

Reported-by: Coverity (CID 1458835, 1459295 and 1459580)
Fixes: 6870cfb8140d ("hw/nvme: namespace parameter for EUI-64")
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 hw/nvme/ctrl.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
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Patch

diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index 43dfaeac9f54..6baf9e0420d5 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -4663,15 +4663,15 @@  static uint16_t nvme_identify_ns_descr_list(NvmeCtrl *n, NvmeRequest *req)
     struct {
         NvmeIdNsDescr hdr;
         uint8_t v[NVME_NIDL_UUID];
-    } QEMU_PACKED uuid;
+    } QEMU_PACKED uuid = {};
     struct {
         NvmeIdNsDescr hdr;
         uint64_t v;
-    } QEMU_PACKED eui64;
+    } QEMU_PACKED eui64 = {};
     struct {
         NvmeIdNsDescr hdr;
         uint8_t v;
-    } QEMU_PACKED csi;
+    } QEMU_PACKED csi = {};
 
     trace_pci_nvme_identify_ns_descr_list(nsid);