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path: root/drivers/base/firmware_loader/fallback.c
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Diffstat (limited to 'drivers/base/firmware_loader/fallback.c')
-rw-r--r--drivers/base/firmware_loader/fallback.c29
1 files changed, 14 insertions, 15 deletions
diff --git a/drivers/base/firmware_loader/fallback.c b/drivers/base/firmware_loader/fallback.c
index 5327bfc6ba71..4dec4b79ae06 100644
--- a/drivers/base/firmware_loader/fallback.c
+++ b/drivers/base/firmware_loader/fallback.c
@@ -124,7 +124,7 @@ void kill_pending_fw_fallback_reqs(bool only_kill_custom)
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());
}
/**
@@ -219,7 +219,7 @@ static ssize_t firmware_loading_show(struct device *dev,
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);
}
/**
@@ -272,9 +272,9 @@ static ssize_t firmware_loading_store(struct device *dev,
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
@@ -289,10 +289,10 @@ static ssize_t firmware_loading_store(struct device *dev,
}
break;
}
- /* fallthrough */
+ fallthrough;
default:
dev_err(dev, "%s: unexpected value (%d)\n", __func__, loading);
- /* fallthrough */
+ fallthrough;
case -1:
fw_load_abort(fw_sysfs);
break;
@@ -490,13 +490,11 @@ exit:
/**
* 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,
- u32 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 +516,7 @@ static int fw_load_sysfs_fallback(struct fw_sysfs *fw_sysfs,
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);
@@ -580,10 +578,10 @@ static int fw_load_from_user_helper(struct firmware *firmware,
}
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();
@@ -613,7 +611,7 @@ static bool fw_run_sysfs_fallback(u32 opt_flags)
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;
@@ -625,7 +623,8 @@ static bool fw_run_sysfs_fallback(u32 opt_flags)
* @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