diff options
| author |   Kees Cook <keescook@chromium.org> | 2020-10-02 10:38:26 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-10-05 13:37:04 +0200 |
| commit | 89287c169f8ff79d466b274da1d5c862e8b29152 (patch) | |
| tree | e6097ef5374ea3fb5b98019a175766cd357a4e95 /drivers/base/firmware_loader/main.c | |
| parent | fs/kernel_file_read: Add "offset" arg for partial reads (diff) | |
| download | linux-dev-89287c169f8ff79d466b274da1d5c862e8b29152.tar.xz linux-dev-89287c169f8ff79d466b274da1d5c862e8b29152.zip | |
firmware: Store opt_flags in fw_priv
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>
Link: https://lore.kernel.org/r/20201002173828.2099543-15-keescook@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base/firmware_loader/main.c')
| -rw-r--r-- | drivers/base/firmware_loader/main.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c index 79f86466d472..78c8e44c08cb 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)) @@ -640,7 +645,7 @@ 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; @@ -659,8 +664,8 @@ 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); @@ -672,7 +677,7 @@ 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); @@ -783,7 +788,7 @@ _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)) @@ -792,7 +797,7 @@ _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) { |