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<base href="https://bugs.dpdk.org/">
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<body><table border="1" cellspacing="0" cellpadding="8" class="bz_new_table">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_UNCONFIRMED "
title="UNCONFIRMED - free() of non rte_malloc() memory in DMA dev"
href="https://bugs.dpdk.org/show_bug.cgi?id=1549">1549</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>free() of non rte_malloc() memory in DMA dev
</td>
</tr>
<tr>
<th>Product</th>
<td>DPDK
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>UNCONFIRMED
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Priority</th>
<td>Normal
</td>
</tr>
<tr>
<th>Component</th>
<td>ethdev
</td>
</tr>
<tr>
<th>Assignee</th>
<td>dev@dpdk.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>stephen@networkplumber.org
</td>
</tr>
<tr>
<th>Target Milestone</th>
<td>---
</td>
</tr></table>
<p>
<div class="bz_comment_block">
<pre class="bz_comment_text">If GCC checking of rte_malloc functions is added, then the following bug in the
DMA device driver is shown:
[982/2957] Compiling C object
drivers/libtmp_rte_dma_idxd.a.p/dma_idxd_idxd_pci.c.o
In function ‘init_pci_device’,
inlined from ‘idxd_dmadev_probe_pci’ at
../drivers/dma/idxd/idxd_pci.c:362:8:
../drivers/dma/idxd/idxd_pci.c:304:9: warning: ‘free’ called on pointer
returned from a mismatched allocation function [-Wmismatched-dealloc]
304 | free(pci);
| ^~~~~~~~~
../drivers/dma/idxd/idxd_pci.c:182:15: note: returned from ‘rte_malloc’
182 | pci = rte_malloc(NULL, sizeof(*pci), 0);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/dma/idxd/idxd_pci.c:304:9: warning: ‘free’ called on pointer
returned from a mismatched allocation function [-Wmismatched-dealloc]
304 | free(pci);
| ^~~~~~~~~
../drivers/dma/idxd/idxd_pci.c:182:15: note: returned from ‘rte_malloc’
182 | pci = rte_malloc(NULL, sizeof(*pci), 0);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
</pre>
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