[1/2] hw/block/nvme: fix resource leak in nvme_dif_rw

Commit Message

Klaus Jensen March 22, 2021, 6:19 a.m. UTC

From: Klaus Jensen <[e-mail]>

If nvme_map_dptr() fails, nvme_dif_rw() will leak the bounce context.
Fix this by using the same error handling as everywhere else in the
function.

Reported-by: Coverity (CID 1451080)
Fixes: 146f720c5563 ("hw/block/nvme: end-to-end data protection")
Signed-off-by: Klaus Jensen <[e-mail]>
---
 hw/block/nvme-dif.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/hw/block/nvme-dif.c b/hw/block/nvme-dif.c
index 2038d724bda5..e6f04faafb5f 100644
--- a/hw/block/nvme-dif.c
+++ b/hw/block/nvme-dif.c
@@ -432,7 +432,7 @@  uint16_t nvme_dif_rw(NvmeCtrl *n, NvmeRequest *req)
 
     status = nvme_map_dptr(n, &req->sg, mapped_len, &req->cmd);
     if (status) {
-        return status;
+        goto err;
     }
 
     ctx->data.bounce = g_malloc(len);