From: "Luis R. Rodriguez" <mcgrof@kernel.org>
To: gregkh@linuxfoundation.org
Cc: akpm@linux-foundation.org, josh@joshtriplett.org,
rishabhb@codeaurora.org, kubakici@wp.pl, maco@android.com,
david.brown@linaro.org, bjorn.andersson@linaro.org,
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broonie@kernel.org, dmitry.torokhov@gmail.com,
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yzaikin@google.com, sfr@canb.auug.org.au, rdunlap@infradead.org,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
Luis Chamberlain <mcgrof@kernel.org>
Subject: [PATCH v2 1/2] firmware_loader: revert removal of the fw_fallback_config export
Date: Fri, 24 Apr 2020 18:49:15 +0000 [thread overview]
Message-ID: <20200424184916.22843-1-mcgrof@kernel.org> (raw)
From: Luis Chamberlain <mcgrof@kernel.org>
Christoph's patch removed two unsused exported symbols, however, one
symbol is used by the firmware_loader itself. If CONFIG_FW_LOADER=m so
the firmware_loader is modular but CONFIG_FW_LOADER_USER_HELPER=y we fail
the build at mostpost.
ERROR: modpost: "fw_fallback_config" [drivers/base/firmware_loader/firmware_class.ko] undefined!
This happens because the variable fw_fallback_config is built into the
kernel if CONFIG_FW_LOADER_USER_HELPER=y always, so we need to grant
access to the firmware loader module by exporting it.
Revert only one hunk from his patch.
Fixes: 739604734bd8e4ad71 ("firmware_loader: remove unused exports")
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
---
drivers/base/firmware_loader/fallback_table.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/base/firmware_loader/fallback_table.c b/drivers/base/firmware_loader/fallback_table.c
index 0a737349f78f..a182e318bd09 100644
--- a/drivers/base/firmware_loader/fallback_table.c
+++ b/drivers/base/firmware_loader/fallback_table.c
@@ -21,6 +21,7 @@ struct firmware_fallback_config fw_fallback_config = {
.loading_timeout = 60,
.old_timeout = 60,
};
+EXPORT_SYMBOL_GPL(fw_fallback_config);
#ifdef CONFIG_SYSCTL
struct ctl_table firmware_config_table[] = {
--
2.25.1
next reply other threads:[~2020-04-24 18:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-24 18:49 Luis R. Rodriguez [this message]
2020-04-24 18:49 ` [PATCH v2 2/2] firmware_loader: move fw_fallback_config to a private kernel symbol namespace Luis R. Rodriguez
2020-04-25 8:14 ` [PATCH v2 1/2] firmware_loader: revert removal of the fw_fallback_config export Greg KH
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