@@ -601,12 +601,9 @@ request_firmware_work_func(void *arg)
}
ret = _request_firmware(&fw, fw_work->name, fw_work->device,
fw_work->uevent);
- if (ret < 0)
- fw_work->cont(NULL, fw_work->context);
- else {
- fw_work->cont(fw, fw_work->context);
- release_firmware(fw);
- }
+
+ fw_work->cont(fw, fw_work->context);
+
module_put(fw_work->module);
kfree(fw_work);
return ret;
@@ -619,6 +616,7 @@ request_firmware_work_func(void *arg)
* is non-zero else the firmware copy must be done manually.
* @name: name of firmware file
* @device: device for which firmware is being loaded
+ * @gfp: allocation flags
* @context: will be passed over to @cont, and
* @fw may be %NULL if firmware request fails.
* @cont: function will be called asynchronously when the firmware
@@ -631,12 +629,12 @@ request_firmware_work_func(void *arg)
int
request_firmware_nowait(
struct module *module, int uevent,
- const char *name, struct device *device, void *context,
+ const char *name, struct device *device, gfp_t gfp, void *context,
void (*cont)(const struct firmware *fw, void *context))
{
struct task_struct *task;
struct firmware_work *fw_work = kmalloc(sizeof (struct firmware_work),
- GFP_ATOMIC);
+ gfp);
if (!fw_work)
return -ENOMEM;
@@ -4,6 +4,7 @@
#include <linux/module.h>
#include <linux/types.h>
#include <linux/compiler.h>
+#include <linux/gfp.h>
#define FW_ACTION_NOHOTPLUG 0
#define FW_ACTION_HOTPLUG 1
@@ -38,7 +39,7 @@ int request_firmware(const struct firmwa
struct device *device);
int request_firmware_nowait(
struct module *module, int uevent,
- const char *name, struct device *device, void *context,
+ const char *name, struct device *device, gfp_t gfp, void *context,
void (*cont)(const struct firmware *fw, void *context));
void release_firmware(const struct firmware *fw);
@@ -51,7 +52,7 @@ static inline int request_firmware(const
}
static inline int request_firmware_nowait(
struct module *module, int uevent,
- const char *name, struct device *device, void *context,
+ const char *name, struct device *device, gfp_t gfp, void *context,
void (*cont)(const struct firmware *fw, void *context))
{
return -EINVAL;
@@ -544,9 +544,12 @@ static void callbackfn_rbu(const struct
{
rbu_data.entry_created = 0;
- if (!fw || !fw->size)
+ if (!fw)
return;
+ if (!fw->size)
+ goto out;
+
spin_lock(&rbu_data.lock);
if (!strcmp(image_type, "mono")) {
if (!img_update_realloc(fw->size))
@@ -568,6 +571,8 @@ static void callbackfn_rbu(const struct
} else
pr_debug("invalid image type specified.\n");
spin_unlock(&rbu_data.lock);
+ out:
+ release_firmware(fw);
}
static ssize_t read_rbu_image_type(struct kobject *kobj,
@@ -615,7 +620,7 @@ static ssize_t write_rbu_image_type(stru
spin_unlock(&rbu_data.lock);
req_firm_rc = request_firmware_nowait(THIS_MODULE,
FW_ACTION_NOHOTPLUG, "dell_rbu",
- &rbu_device->dev, &context,
+ &rbu_device->dev, GFP_KERNEL, &context,
callbackfn_rbu);
if (req_firm_rc) {
printk(KERN_ERR
@@ -1179,16 +1179,18 @@ static void uart_firmware_cont(const str
if (firmware->header.length != fw->size) {
dev_err(dev, "invalid firmware\n");
- return;
+ goto out;
}
ret = qe_upload_firmware(firmware);
if (ret) {
dev_err(dev, "could not load firmware\n");
- return;
+ goto out;
}
firmware_loaded = 1;
+ out:
+ release_firmware(fw);
}
static int ucc_uart_probe(struct of_device *ofdev,
@@ -1247,7 +1249,7 @@ static int ucc_uart_probe(struct of_devi
*/
ret = request_firmware_nowait(THIS_MODULE,
FW_ACTION_HOTPLUG, filename, &ofdev->dev,
- &ofdev->dev, uart_firmware_cont);
+ GFP_KERNEL, &ofdev->dev, uart_firmware_cont);
if (ret) {
dev_err(&ofdev->dev,
"could not load firmware %s\n",
@@ -2327,9 +2327,11 @@ static void usbdux_firmware_request_comp
if (ret) {
dev_err(&usbdev->dev,
"Could not upload firmware (err=%d)\n", ret);
- return;
+ goto out;
}
comedi_usb_auto_config(usbdev, BOARDNAME);
+ out:
+ release_firmware(fw);
}
/* allocate memory for the urbs and initialise them */
@@ -2580,6 +2582,7 @@ static int usbduxsub_probe(struct usb_in
FW_ACTION_HOTPLUG,
"usbdux_firmware.bin",
&udev->dev,
+ GFP_KERNEL,
usbduxsub + index,
usbdux_firmware_request_complete_handler);
@@ -1451,10 +1451,12 @@ static void usbduxfast_firmware_request_
if (ret) {
dev_err(&usbdev->dev,
"Could not upload firmware (err=%d)\n", ret);
- return;
+ goto out;
}
comedi_usb_auto_config(usbdev, BOARDNAME);
+ out:
+ release_firmware(fw);
}
/*
@@ -1569,6 +1571,7 @@ static int usbduxfastsub_probe(struct us
FW_ACTION_HOTPLUG,
"usbduxfast_firmware.bin",
&udev->dev,
+ GFP_KERNEL,
usbduxfastsub + index,
usbduxfast_firmware_request_complete_handler);
@@ -667,12 +667,12 @@ static void uea_upload_pre_firmware(cons
else
uea_info(usb, "firmware uploaded\n");
- uea_leaves(usb);
- return;
+ goto err;
err_fw_corrupted:
uea_err(usb, "firmware is corrupted\n");
err:
+ release_firmware(fw_entry);
uea_leaves(usb);
}
@@ -705,7 +705,8 @@ static int uea_load_firmware(struct usb_
break;
}
- ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev, usb, uea_upload_pre_firmware);
+ ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev,
+ GFP_KERNEL, usb, uea_upload_pre_firmware);
if (ret)
uea_err(usb, "firmware %s is not available\n", fw_name);
else