Instead of passing opt_flags around so much, store it in the private structure so it can be examined by internals without needing to add more arguments to functions.
Co-developed-by: Scott Branden scott.branden@broadcom.com Signed-off-by: Scott Branden scott.branden@broadcom.com Signed-off-by: Kees Cook keescook@chromium.org --- drivers/base/firmware_loader/fallback.c | 11 +++----- drivers/base/firmware_loader/fallback.h | 5 ++-- .../base/firmware_loader/fallback_platform.c | 4 +-- drivers/base/firmware_loader/firmware.h | 3 ++- drivers/base/firmware_loader/main.c | 25 +++++++++++-------- 5 files changed, 25 insertions(+), 23 deletions(-)
diff --git a/drivers/base/firmware_loader/fallback.c b/drivers/base/firmware_loader/fallback.c index 7cfdfdcb819c..0a94c8739959 100644 --- a/drivers/base/firmware_loader/fallback.c +++ b/drivers/base/firmware_loader/fallback.c @@ -490,13 +490,11 @@ fw_create_instance(struct firmware *firmware, const char *fw_name, /** * 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(); @@ -625,7 +623,6 @@ 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 * @ret: return value from direct lookup which triggered the fallback mechanism * * This function is called if direct lookup for the firmware failed, it enables diff --git a/drivers/base/firmware_loader/fallback.h b/drivers/base/firmware_loader/fallback.h index 2afdb6adb23f..3af7205b302f 100644 --- a/drivers/base/firmware_loader/fallback.h +++ b/drivers/base/firmware_loader/fallback.h @@ -67,10 +67,9 @@ static inline void unregister_sysfs_loader(void) #endif /* CONFIG_FW_LOADER_USER_HELPER */
#ifdef CONFIG_EFI_EMBEDDED_FIRMWARE -int firmware_fallback_platform(struct fw_priv *fw_priv, u32 opt_flags); +int firmware_fallback_platform(struct fw_priv *fw_priv); #else -static inline int firmware_fallback_platform(struct fw_priv *fw_priv, - u32 opt_flags) +static inline int firmware_fallback_platform(struct fw_priv *fw_priv) { return -ENOENT; } diff --git a/drivers/base/firmware_loader/fallback_platform.c b/drivers/base/firmware_loader/fallback_platform.c index 4d1157af0e86..38de68d7e973 100644 --- a/drivers/base/firmware_loader/fallback_platform.c +++ b/drivers/base/firmware_loader/fallback_platform.c @@ -8,13 +8,13 @@ #include "fallback.h" #include "firmware.h"
-int firmware_fallback_platform(struct fw_priv *fw_priv, u32 opt_flags) +int firmware_fallback_platform(struct fw_priv *fw_priv) { const u8 *data; size_t size; int rc;
- if (!(opt_flags & FW_OPT_FALLBACK_PLATFORM)) + if (!(fw_priv->opt_flags & FW_OPT_FALLBACK_PLATFORM)) return -ENOENT;
rc = security_kernel_load_data(LOADING_FIRMWARE, true); diff --git a/drivers/base/firmware_loader/firmware.h b/drivers/base/firmware_loader/firmware.h index 933e2192fbe8..7ad5fe52bc72 100644 --- a/drivers/base/firmware_loader/firmware.h +++ b/drivers/base/firmware_loader/firmware.h @@ -68,6 +68,7 @@ struct fw_priv { void *data; size_t size; size_t allocated_size; + u32 opt_flags; #ifdef CONFIG_FW_LOADER_PAGED_BUF bool is_paged_buf; struct page **pages; @@ -136,7 +137,7 @@ static inline void fw_state_done(struct fw_priv *fw_priv) __fw_state_set(fw_priv, FW_STATUS_DONE); }
-int assign_fw(struct firmware *fw, struct device *device, u32 opt_flags); +int assign_fw(struct firmware *fw, struct device *device);
#ifdef CONFIG_FW_LOADER_PAGED_BUF void fw_free_paged_buf(struct fw_priv *fw_priv); diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c index ff1808ed7547..67d8afa91ae0 100644 --- a/drivers/base/firmware_loader/main.c +++ b/drivers/base/firmware_loader/main.c @@ -168,7 +168,9 @@ static int fw_cache_piggyback_on_request(const char *name);
static struct fw_priv *__allocate_fw_priv(const char *fw_name, struct firmware_cache *fwc, - void *dbuf, size_t size) + void *dbuf, + size_t size, + u32 opt_flags) { struct fw_priv *fw_priv;
@@ -186,6 +188,7 @@ static struct fw_priv *__allocate_fw_priv(const char *fw_name, fw_priv->fwc = fwc; fw_priv->data = dbuf; fw_priv->allocated_size = size; + fw_priv->opt_flags = opt_flags; fw_state_init(fw_priv); #ifdef CONFIG_FW_LOADER_USER_HELPER INIT_LIST_HEAD(&fw_priv->pending_list); @@ -210,8 +213,10 @@ static struct fw_priv *__lookup_fw_priv(const char *fw_name) /* Returns 1 for batching firmware requests with the same name */ static int alloc_lookup_fw_priv(const char *fw_name, struct firmware_cache *fwc, - struct fw_priv **fw_priv, void *dbuf, - size_t size, u32 opt_flags) + struct fw_priv **fw_priv, + void *dbuf, + size_t size, + u32 opt_flags) { struct fw_priv *tmp;
@@ -227,7 +232,7 @@ static int alloc_lookup_fw_priv(const char *fw_name, } }
- tmp = __allocate_fw_priv(fw_name, fwc, dbuf, size); + tmp = __allocate_fw_priv(fw_name, fwc, dbuf, size, opt_flags); if (tmp) { INIT_LIST_HEAD(&tmp->list); if (!(opt_flags & FW_OPT_NOCACHE)) @@ -635,7 +640,7 @@ static int fw_add_devm_name(struct device *dev, const char *name) } #endif
-int assign_fw(struct firmware *fw, struct device *device, u32 opt_flags) +int assign_fw(struct firmware *fw, struct device *device) { struct fw_priv *fw_priv = fw->priv; int ret; @@ -654,8 +659,8 @@ int assign_fw(struct firmware *fw, struct device *device, u32 opt_flags) * should be fixed in devres or driver core. */ /* don't cache firmware handled without uevent */ - if (device && (opt_flags & FW_OPT_UEVENT) && - !(opt_flags & FW_OPT_NOCACHE)) { + if (device && (fw_priv->opt_flags & FW_OPT_UEVENT) && + !(fw_priv->opt_flags & FW_OPT_NOCACHE)) { ret = fw_add_devm_name(device, fw_priv->fw_name); if (ret) { mutex_unlock(&fw_lock); @@ -667,7 +672,7 @@ int assign_fw(struct firmware *fw, struct device *device, u32 opt_flags) * After caching firmware image is started, let it piggyback * on request firmware. */ - if (!(opt_flags & FW_OPT_NOCACHE) && + if (!(fw_priv->opt_flags & FW_OPT_NOCACHE) && fw_priv->fwc->state == FW_LOADER_START_CACHE) { if (fw_cache_piggyback_on_request(fw_priv->fw_name)) kref_get(&fw_priv->ref); @@ -778,7 +783,7 @@ _request_firmware(const struct firmware **firmware_p, const char *name, #endif
if (ret == -ENOENT) - ret = firmware_fallback_platform(fw->priv, opt_flags); + ret = firmware_fallback_platform(fw->priv);
if (ret) { if (!(opt_flags & FW_OPT_NO_WARN)) @@ -787,7 +792,7 @@ _request_firmware(const struct firmware **firmware_p, const char *name, name, ret); ret = firmware_fallback_sysfs(fw, name, device, opt_flags, ret); } else - ret = assign_fw(fw, device, opt_flags); + ret = assign_fw(fw, device);
out: if (ret < 0) {