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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2010-03-13 23:49:23 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2010-05-21 09:37:30 -0700
commite177123f0c2d77ed2fde724ca352166ca9464619 (patch)
tree4028292609b20e1d65eb2f8ff9e6e5be608a04c9 /drivers
parentbcb9bd18e397eabe14b45f4dc4283359ab148d79 (diff)
downloadlinux-e177123f0c2d77ed2fde724ca352166ca9464619.tar.bz2
firmware loader: do not allocate firmare id separately
fw_id has the same life time as firmware_priv so it makes sense to move it into firmware_priv structure instead of allocating separately. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/base/firmware_class.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index c378a355bed4..d98e424675cf 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -86,7 +86,6 @@ static int loading_timeout = 60; /* In seconds */
static DEFINE_MUTEX(fw_lock);
struct firmware_priv {
- char *fw_id;
struct completion completion;
struct bin_attribute attr_data;
struct firmware *fw;
@@ -94,9 +93,9 @@ struct firmware_priv {
struct page **pages;
int nr_pages;
int page_array_size;
- const char *vdata;
struct timer_list timeout;
bool nowait;
+ char fw_id[];
};
static void
@@ -153,7 +152,6 @@ static void fw_dev_release(struct device *dev)
for (i = 0; i < fw_priv->nr_pages; i++)
__free_page(fw_priv->pages[i]);
kfree(fw_priv->pages);
- kfree(fw_priv->fw_id);
kfree(fw_priv);
kfree(dev);
@@ -437,8 +435,8 @@ static int fw_register_device(struct device **dev_p, const char *fw_name,
struct device *device)
{
int retval;
- struct firmware_priv *fw_priv = kzalloc(sizeof(*fw_priv),
- GFP_KERNEL);
+ struct firmware_priv *fw_priv =
+ kzalloc(sizeof(*fw_priv) + strlen(fw_name) + 1 , GFP_KERNEL);
struct device *f_dev = kzalloc(sizeof(*f_dev), GFP_KERNEL);
*dev_p = NULL;
@@ -449,16 +447,9 @@ static int fw_register_device(struct device **dev_p, const char *fw_name,
goto error_kfree;
}
+ strcpy(fw_priv->fw_id, fw_name);
init_completion(&fw_priv->completion);
fw_priv->attr_data = firmware_attr_data_tmpl;
- fw_priv->fw_id = kstrdup(fw_name, GFP_KERNEL);
- if (!fw_priv->fw_id) {
- dev_err(device, "%s: Firmware name allocation failed\n",
- __func__);
- retval = -ENOMEM;
- goto error_kfree;
- }
-
fw_priv->timeout.function = firmware_class_timeout;
fw_priv->timeout.data = (u_long) fw_priv;
init_timer(&fw_priv->timeout);