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[v2,2/2] firmware_loader: move fw_fallback_config to a private kernel symbol namespace

Message ID 20200424184916.22843-2-mcgrof@kernel.org
State New, archived
Headers show
Series [v2,1/2] firmware_loader: revert removal of the fw_fallback_config export | expand

Commit Message

Luis Chamberlain April 24, 2020, 6:49 p.m. UTC
From: Luis Chamberlain <mcgrof@kernel.org>

Take advantage of the new kernel symbol namespacing functionality, and
export the fw_fallback_config symbol only to a new private firmware loader
namespace. This would prevent misuses from other drivers and makes it clear
the goal is to keep this private to the firmware loader only.

It should also make it clearer for folks git grep'ing for users of
the symbol that this exported symbol is private, and prevent future
accidental removals of the exported symbol.

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
 drivers/base/firmware_loader/fallback.c       | 3 +++
 drivers/base/firmware_loader/fallback_table.c | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)
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diff --git a/drivers/base/firmware_loader/fallback.c b/drivers/base/firmware_loader/fallback.c
index 1e9c96e3ed63..d9ac7296205e 100644
--- a/drivers/base/firmware_loader/fallback.c
+++ b/drivers/base/firmware_loader/fallback.c
@@ -9,6 +9,7 @@ 
 #include <linux/umh.h>
 #include <linux/sysctl.h>
 #include <linux/vmalloc.h>
+#include <linux/module.h>
 #include "fallback.h"
 #include "firmware.h"
@@ -17,6 +18,8 @@ 
  * firmware fallback mechanism
 extern struct firmware_fallback_config fw_fallback_config;
 /* These getters are vetted to use int properly */
diff --git a/drivers/base/firmware_loader/fallback_table.c b/drivers/base/firmware_loader/fallback_table.c
index a182e318bd09..46a731dede6f 100644
--- a/drivers/base/firmware_loader/fallback_table.c
+++ b/drivers/base/firmware_loader/fallback_table.c
@@ -21,7 +21,7 @@  struct firmware_fallback_config fw_fallback_config = {
 	.loading_timeout = 60,
 	.old_timeout = 60,
 struct ctl_table firmware_config_table[] = {