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[PULL,2/6] hw/nvme/ctrl: Have nvme_addr_write() take const buffer

Message ID 20220214080801.13627-3-its@irrelevant.dk
State New
Headers show
Series [PULL,1/6] hw/nvme: fix CVE-2021-3929 | expand

Commit Message

Klaus Jensen Feb. 14, 2022, 8:07 a.m. UTC 
From: Philippe Mathieu-Daudé <philmd@redhat.com>

The 'buf' argument is not modified, so better pass it as const type.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
---
 hw/nvme/ctrl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index 37681a975986..12e1fcda7c85 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -395,7 +395,7 @@  static int nvme_addr_read(NvmeCtrl *n, hwaddr addr, void *buf, int size)
     return pci_dma_read(&n->parent_obj, addr, buf, size);
 }
 
-static int nvme_addr_write(NvmeCtrl *n, hwaddr addr, void *buf, int size)
+static int nvme_addr_write(NvmeCtrl *n, hwaddr addr, const void *buf, int size)
 {
     hwaddr hi = addr + size - 1;
     if (hi < addr) {