<html>
<head>
<base href="https://bugs.dpdk.org/">
</head>
<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 - mlx5: lotsof shadow varable warnings"
href="https://bugs.dpdk.org/show_bug.cgi?id=1746">1746</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>mlx5: lotsof shadow varable warnings
</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>minor
</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">Building with -Wshadow reports several potential issues with mlx5 driver.
[1123/3418] Compiling C object
drivers/libtmp_rte_net_mlx5.a.p/net_mlx5_mlx5_rss.c.o
In file included from ../drivers/net/mlx5/mlx5_rss.c:19:
../drivers/net/mlx5/mlx5_rx.h: In function ‘mprq_buf_replace’:
../drivers/net/mlx5/mlx5_rx.h:448:39: warning: declaration of ‘rep’ shadows a
previous local [-Wshadow]
448 | struct mlx5_mprq_buf *rep;
| ^~~
../drivers/net/mlx5/mlx5_rx.h:424:31: note: shadowed declaration is here
424 | struct mlx5_mprq_buf *rep = rxq->mprq_repl;
| ^~~
[1124/3418] Compiling C object
drivers/libtmp_rte_net_mlx5.a.p/net_mlx5_mlx5_ethdev.c.o
In file included from ../drivers/net/mlx5/mlx5_ethdev.c:26:
../drivers/net/mlx5/mlx5_rx.h: In function ‘mprq_buf_replace’:
../drivers/net/mlx5/mlx5_rx.h:448:39: warning: declaration of ‘rep’ shadows a
previous local [-Wshadow]
448 | struct mlx5_mprq_buf *rep;
| ^~~
../drivers/net/mlx5/mlx5_rx.h:424:31: note: shadowed declaration is here
424 | struct mlx5_mprq_buf *rep = rxq->mprq_repl;
| ^~~
In file included from ../lib/eal/include/dev_driver.h:8,
from ../lib/ethdev/ethdev_driver.h:19,
from ../drivers/net/mlx5/mlx5_ethdev.c:13:
../drivers/net/mlx5/mlx5_tx.h: In function ‘mlx5_tx_burst_empw_inline’:
../lib/eal/include/rte_common.h:817:28: warning: declaration of ‘_a’ shadows a
previous local [-Wshadow]
817 | typeof (a) _a = (a); \
| ^~
../lib/eal/include/rte_common.h:798:25: note: in definition of macro ‘RTE_MIN’
798 | typeof (b) _b = (b); \
| ^
../drivers/net/mlx5/mlx5_tx.h:2971:40: note: in expansion of macro ‘RTE_MAX’
2971 | RTE_MAX(txq->inlen_empw +
| ^~~~~~~
../lib/eal/include/rte_common.h:797:28: note: shadowed declaration is here
797 | typeof (a) _a = (a); \
| ^~
../drivers/net/mlx5/mlx5_tx.h:2970:32: note: in expansion of macro ‘RTE_MIN’
2970 | room = RTE_MIN(room,
| ^~~~~~~
../lib/eal/include/rte_common.h:817:28: warning: declaration of ‘_a’ shadows a
previous local [-Wshadow]
817 | typeof (a) _a = (a); \
| ^~
../lib/eal/include/rte_common.h:798:34: note: in definition of macro ‘RTE_MIN’
798 | typeof (b) _b = (b); \
| ^
../drivers/net/mlx5/mlx5_tx.h:2971:40: note: in expansion of macro ‘RTE_MAX’
2971 | RTE_MAX(txq->inlen_empw +
| ^~~~~~~
../lib/eal/include/rte_common.h:797:28: note: shadowed declaration is here
797 | typeof (a) _a = (a); \
| ^~
../drivers/net/mlx5/mlx5_tx.h:2970:32: note: in expansion of macro ‘RTE_MIN’
2970 | room = RTE_MIN(room,
| ^~~~~~~
../lib/eal/include/rte_common.h:818:28: warning: declaration of ‘_b’ shadows a
previous local [-Wshadow]
818 | typeof (b) _b = (b); \
| ^~
../lib/eal/include/rte_common.h:798:34: note: in definition of macro ‘RTE_MIN’
798 | typeof (b) _b = (b); \
| ^
../drivers/net/mlx5/mlx5_tx.h:2971:40: note: in expansion of macro ‘RTE_MAX’
2971 | RTE_MAX(txq->inlen_empw +
| ^~~~~~~
../lib/eal/include/rte_common.h:798:28: note: shadowed declaration is here
798 | typeof (b) _b = (b); \
| ^~
../drivers/net/mlx5/mlx5_tx.h:2970:32: note: in expansion of macro ‘RTE_MIN’
2970 | room = RTE_MIN(room,
| ^~~~~~~
...
Truncated because bugzilla can't take all of it.
</pre>
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