bus/cdx: Move debug print before unmapping resource
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Commit Message
Debug print is moved before unmapping requested address
to fix use after free coverity issue.
Coverity issue: 385381
Fixes: 45ef232af515 ("bus/cdx: introduce AMD CDX bus")
Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com>
---
drivers/bus/cdx/cdx.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
Comments
Please do not use first letter of the commit as capital ("Move" should
be "move"). Also fix this for other patches sent for CDX.
check-git-log.sh script report these errors. Please run this before sending.
On 6/14/2023 3:53 PM, Abhijit Gangurde wrote:
> Debug print is moved before unmapping requested address
> to fix use after free coverity issue.
>
> Coverity issue: 385381
> Fixes: 45ef232af515 ("bus/cdx: introduce AMD CDX bus")
> Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com>
> ---
> drivers/bus/cdx/cdx.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
@@ -322,12 +322,13 @@ cdx_unmap_resource(void *requested_addr, size_t size)
if (requested_addr == NULL)
return;
+ CDX_BUS_DEBUG("Unmapping CDX memory at %p", requested_addr);
+
/* Unmap the CDX memory resource of device */
if (rte_mem_unmap(requested_addr, size)) {
CDX_BUS_ERR("%s(): cannot mem unmap(%p, %#zx): %s", __func__,
requested_addr, size, rte_strerror(rte_errno));
}
- CDX_BUS_DEBUG("CDX memory unmapped at %p", requested_addr);
}
/*
* Match the CDX Driver and Device using device id and vendor id.