Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/base/firmware_loader/fallback.c b/drivers/base/firmware_loader/fallback.c
index 5f3e5d8..0fdd18c 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
*/
+MODULE_IMPORT_NS(FIRMWARE_LOADER_PRIVATE);
+
extern struct firmware_fallback_config fw_fallback_config;
/* These getters are vetted to use int properly */
@@ -120,7 +123,7 @@
static ssize_t timeout_show(struct class *class, struct class_attribute *attr,
char *buf)
{
- return sprintf(buf, "%d\n", __firmware_loading_timeout());
+ return sysfs_emit(buf, "%d\n", __firmware_loading_timeout());
}
/**
@@ -215,7 +218,7 @@
loading = fw_sysfs_loading(fw_sysfs->fw_priv);
mutex_unlock(&fw_lock);
- return sprintf(buf, "%d\n", loading);
+ return sysfs_emit(buf, "%d\n", loading);
}
/**
@@ -268,9 +271,9 @@
dev_err(dev, "%s: map pages failed\n",
__func__);
else
- rc = security_kernel_post_read_file(NULL,
- fw_priv->data, fw_priv->size,
- READING_FIRMWARE);
+ rc = security_kernel_post_load_data(fw_priv->data,
+ fw_priv->size,
+ LOADING_FIRMWARE, "blob");
/*
* Same logic as fw_load_abort, only the DONE bit
@@ -284,10 +287,10 @@
}
break;
}
- /* fallthrough */
+ fallthrough;
default:
dev_err(dev, "%s: unexpected value (%d)\n", __func__, loading);
- /* fallthrough */
+ fallthrough;
case -1:
fw_load_abort(fw_sysfs);
break;
@@ -458,7 +461,7 @@
static struct fw_sysfs *
fw_create_instance(struct firmware *firmware, const char *fw_name,
- struct device *device, enum fw_opt opt_flags)
+ struct device *device, u32 opt_flags)
{
struct fw_sysfs *fw_sysfs;
struct device *f_dev;
@@ -485,13 +488,11 @@
/**
* fw_load_sysfs_fallback() - load a firmware via the sysfs fallback mechanism
* @fw_sysfs: firmware sysfs information for the firmware to load
- * @opt_flags: flags of options, FW_OPT_*
* @timeout: timeout to wait for the load
*
* In charge of constructing a sysfs fallback interface for firmware loading.
**/
-static int fw_load_sysfs_fallback(struct fw_sysfs *fw_sysfs,
- enum fw_opt opt_flags, long timeout)
+static int fw_load_sysfs_fallback(struct fw_sysfs *fw_sysfs, long timeout)
{
int retval = 0;
struct device *f_dev = &fw_sysfs->dev;
@@ -518,7 +519,7 @@
list_add(&fw_priv->pending_list, &pending_fw_head);
mutex_unlock(&fw_lock);
- if (opt_flags & FW_OPT_UEVENT) {
+ if (fw_priv->opt_flags & FW_OPT_UEVENT) {
fw_priv->need_uevent = true;
dev_set_uevent_suppress(f_dev, false);
dev_dbg(f_dev, "firmware: requesting %s\n", fw_priv->fw_name);
@@ -549,7 +550,7 @@
static int fw_load_from_user_helper(struct firmware *firmware,
const char *name, struct device *device,
- enum fw_opt opt_flags)
+ u32 opt_flags)
{
struct fw_sysfs *fw_sysfs;
long timeout;
@@ -579,10 +580,10 @@
}
fw_sysfs->fw_priv = firmware->priv;
- ret = fw_load_sysfs_fallback(fw_sysfs, opt_flags, timeout);
+ ret = fw_load_sysfs_fallback(fw_sysfs, timeout);
if (!ret)
- ret = assign_fw(firmware, device, opt_flags);
+ ret = assign_fw(firmware, device);
out_unlock:
usermodehelper_read_unlock();
@@ -590,7 +591,7 @@
return ret;
}
-static bool fw_force_sysfs_fallback(enum fw_opt opt_flags)
+static bool fw_force_sysfs_fallback(u32 opt_flags)
{
if (fw_fallback_config.force_sysfs_fallback)
return true;
@@ -599,7 +600,7 @@
return true;
}
-static bool fw_run_sysfs_fallback(enum fw_opt opt_flags)
+static bool fw_run_sysfs_fallback(u32 opt_flags)
{
int ret;
@@ -608,11 +609,11 @@
return false;
}
- if ((opt_flags & FW_OPT_NOFALLBACK))
+ if ((opt_flags & FW_OPT_NOFALLBACK_SYSFS))
return false;
/* Also permit LSMs and IMA to fail firmware sysfs fallback */
- ret = security_kernel_load_data(LOADING_FIRMWARE);
+ ret = security_kernel_load_data(LOADING_FIRMWARE, true);
if (ret < 0)
return false;
@@ -624,7 +625,8 @@
* @fw: pointer to firmware image
* @name: name of firmware file to look for
* @device: device for which firmware is being loaded
- * @opt_flags: options to control firmware loading behaviour
+ * @opt_flags: options to control firmware loading behaviour, as defined by
+ * &enum fw_opt
* @ret: return value from direct lookup which triggered the fallback mechanism
*
* This function is called if direct lookup for the firmware failed, it enables
@@ -632,16 +634,17 @@
* interface. Userspace is in charge of loading the firmware through the sysfs
* loading interface. This sysfs fallback mechanism may be disabled completely
* on a system by setting the proc sysctl value ignore_sysfs_fallback to true.
- * If this false we check if the internal API caller set the @FW_OPT_NOFALLBACK
- * flag, if so it would also disable the fallback mechanism. A system may want
- * to enfoce the sysfs fallback mechanism at all times, it can do this by
- * setting ignore_sysfs_fallback to false and force_sysfs_fallback to true.
+ * If this is false we check if the internal API caller set the
+ * @FW_OPT_NOFALLBACK_SYSFS flag, if so it would also disable the fallback
+ * mechanism. A system may want to enforce the sysfs fallback mechanism at all
+ * times, it can do this by setting ignore_sysfs_fallback to false and
+ * force_sysfs_fallback to true.
* Enabling force_sysfs_fallback is functionally equivalent to build a kernel
* with CONFIG_FW_LOADER_USER_HELPER_FALLBACK.
**/
int firmware_fallback_sysfs(struct firmware *fw, const char *name,
struct device *device,
- enum fw_opt opt_flags,
+ u32 opt_flags,
int ret)
{
if (!fw_run_sysfs_fallback(opt_flags))