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firmware_loader: revert removal of the fw_fallback_config export

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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: 739604734b ("firmware_loader: remove unused exports")
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20200424184916.22843-1-mcgrof@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Luis Chamberlain 2020-04-24 18:49:15 +00:00 committed by Greg Kroah-Hartman
parent 2b07021a94
commit 5a3577039c
1 changed files with 1 additions and 0 deletions
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drivers/base/firmware_loader/fallback_table.c
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@ -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[] = {