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* [dpdk-dev] [Bug 484] rte_sched_subport_free function does not free subport memory
@ 2020-05-22 13:26 bugzilla
  0 siblings, 0 replies; only message in thread
From: bugzilla @ 2020-05-22 13:26 UTC (permalink / raw)
  To: dev


            Bug ID: 484
           Summary: rte_sched_subport_free function does not free subport
           Product: DPDK
           Version: 19.11
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: other
          Assignee: dev@dpdk.org
          Reporter: hrvoje.habjanic@zg.ht.hr
  Target Milestone: ---

Created attachment 105
  --> https://bugs.dpdk.org/attachment.cgi?id=105&action=edit
Patch to fix rte_sched_subport_free leak


It would seem that rte_sched_subport_free does not properly free allocated
subport memory.

In function rte_sched_subport_free (lib/librte_sched/rte_sched.c, line 865),
there is code to free all allocated stuff related to scheduler subport. First
there are some checks, and in the end, rte_bitmap_free is called.

Now, rte_bitmap_free is a dummy function, and it just checks if provided
pointer to bitmap is valid or not. So, actual memory for subport is not freed,
and this is shown as memory leak.

Fix is quite simple, rte_bitmap_free should be replaced with rte_free, and
argument should be changed to subport pointer.



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2020-05-22 13:26 [dpdk-dev] [Bug 484] rte_sched_subport_free function does not free subport memory bugzilla

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