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net: ethtool: avoid rebuilds on UTS_RELEASE change

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Currently, when you switch between branches or something like that and
rebuild, net/ethtool/ioctl.c has to be built again because it depends
on UTS_RELEASE.

By instead referencing a string variable stored in another object file,
this can be avoided.

Signed-off-by: Jann Horn <jannh@google.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20240220194244.2056384-1-jannh@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jann Horn 2024-02-20 20:42:44 +01:00 committed by Jakub Kicinski
parent a818bd1253
commit d2efeb52c3
1 changed files with 3 additions and 2 deletions
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5
net/ethtool/ioctl.c
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@ -26,12 +26,12 @@
#include <linux/sched/signal.h>
#include <linux/net.h>
#include <linux/pm_runtime.h>
#include <linux/utsname.h>
#include <net/devlink.h>
#include <net/ipv6.h>
#include <net/xdp_sock_drv.h>
#include <net/flow_offload.h>
#include <linux/ethtool_netlink.h>
#include <generated/utsrelease.h>
#include "common.h"
/* State held across locks and calls for commands which have devlink fallback */
@ -713,7 +713,8 @@ ethtool_get_drvinfo(struct net_device *dev, struct ethtool_devlink_compat *rsp)
struct device *parent = dev->dev.parent;
rsp->info.cmd = ETHTOOL_GDRVINFO;
strscpy(rsp->info.version, UTS_RELEASE, sizeof(rsp->info.version));
strscpy(rsp->info.version, init_uts_ns.name.release,
sizeof(rsp->info.version));
if (ops->get_drvinfo) {
ops->get_drvinfo(dev, &rsp->info);
if (!rsp->info.bus_info[0] && parent)