Re: [PATCH for-5.2 2/3] hw/block/nvme: fix uint16_t use of uint32_t sgls member
On 11/4/20 11:22 AM, Klaus Jensen wrote: > From: Klaus Jensen > > nvme_map_sgl_data erroneously uses the sgls member of NvmeIdNs as a > uint16_t. > > Reported-by: Coverity (CID 1436129) > Fixes: cba0a8a344fe ("hw/block/nvme: add support for scatter gather lists") > Signed-off-by: Klaus Jensen > --- > hw/block/nvme.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/hw/block/nvme.c b/hw/block/nvme.c > index 080d782f1c2b..2bdc50eb6fce 100644 > --- a/hw/block/nvme.c > +++ b/hw/block/nvme.c > @@ -452,7 +452,7 @@ static uint16_t nvme_map_sgl_data(NvmeCtrl *n, QEMUSGList > *qsg, > * segments and/or descriptors. The controller might accept > * ignoring the rest of the SGL. > */ > -uint16_t sgls = le16_to_cpu(n->id_ctrl.sgls); > +uint32_t sgls = le32_to_cpu(n->id_ctrl.sgls); > if (sgls & NVME_CTRL_SGLS_EXCESS_LENGTH) { I'm surprise the compiler doesn't warn here. Reviewed-by: Philippe Mathieu-Daudé > break; > } >
Re: [PATCH for-5.2 2/3] hw/block/nvme: fix uint16_t use of uint32_t sgls member
On 04.11.20 11:22, Klaus Jensen wrote: > From: Klaus Jensen > > nvme_map_sgl_data erroneously uses the sgls member of NvmeIdNs as a > uint16_t. > > Reported-by: Coverity (CID 1436129) > Fixes: cba0a8a344fe ("hw/block/nvme: add support for scatter gather lists") > Signed-off-by: Klaus Jensen > --- > hw/block/nvme.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Reviewed-by: Max Reitz
[PATCH for-5.2 2/3] hw/block/nvme: fix uint16_t use of uint32_t sgls member
From: Klaus Jensen nvme_map_sgl_data erroneously uses the sgls member of NvmeIdNs as a uint16_t. Reported-by: Coverity (CID 1436129) Fixes: cba0a8a344fe ("hw/block/nvme: add support for scatter gather lists") Signed-off-by: Klaus Jensen --- hw/block/nvme.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 080d782f1c2b..2bdc50eb6fce 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -452,7 +452,7 @@ static uint16_t nvme_map_sgl_data(NvmeCtrl *n, QEMUSGList *qsg, * segments and/or descriptors. The controller might accept * ignoring the rest of the SGL. */ -uint16_t sgls = le16_to_cpu(n->id_ctrl.sgls); +uint32_t sgls = le32_to_cpu(n->id_ctrl.sgls); if (sgls & NVME_CTRL_SGLS_EXCESS_LENGTH) { break; } -- 2.29.1