[PATCH] kfree cleanup: misc remaining drivers
This is the remaining misc drivers/ part of the big kfree cleanup patch.
Remove pointless checks for NULL prior to calling kfree() in misc files in
drivers/.
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Acked-by: Aristeu Sergio Rozanski Filho <aris@cathedrallabs.org>
Acked-by: Roland Dreier <rolandd@cisco.com>
Acked-by: Pierre Ossman <drzeus@drzeus.cx>
Acked-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Len Brown <len.brown@intel.com>
Acked-by: "Antonino A. Daplas" <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c
index 10dd695..27ec12c 100644
--- a/drivers/acpi/container.c
+++ b/drivers/acpi/container.c
@@ -118,11 +118,9 @@
{
acpi_status status = AE_OK;
struct acpi_container *pc = NULL;
+
pc = (struct acpi_container *)acpi_driver_data(device);
-
- if (pc)
- kfree(pc);
-
+ kfree(pc);
return status;
}
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index c6db591..23e2c69 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -28,8 +28,7 @@
static void acpi_device_release(struct kobject *kobj)
{
struct acpi_device *dev = container_of(kobj, struct acpi_device, kobj);
- if (dev->pnp.cid_list)
- kfree(dev->pnp.cid_list);
+ kfree(dev->pnp.cid_list);
kfree(dev);
}
@@ -1117,8 +1116,7 @@
if (!result)
*child = device;
else {
- if (device->pnp.cid_list)
- kfree(device->pnp.cid_list);
+ kfree(device->pnp.cid_list);
kfree(device);
}
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index e383d61..f051b15 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -334,8 +334,7 @@
return_VALUE(0);
err:
- if (buffer.pointer)
- kfree(buffer.pointer);
+ kfree(buffer.pointer);
return_VALUE(status);
}
@@ -1488,8 +1487,7 @@
}
active_device_list[count].value.int_val = ACPI_VIDEO_HEAD_END;
- if (video->attached_array)
- kfree(video->attached_array);
+ kfree(video->attached_array);
video->attached_array = active_device_list;
video->attached_count = count;
@@ -1645,8 +1643,7 @@
printk(KERN_WARNING PREFIX
"hhuuhhuu bug in acpi video driver.\n");
- if (data->brightness)
- kfree(data->brightness);
+ kfree(data->brightness);
kfree(data);
}
@@ -1831,8 +1828,7 @@
acpi_video_bus_put_devices(video);
acpi_video_bus_remove_fs(device);
- if (video->attached_array)
- kfree(video->attached_array);
+ kfree(video->attached_array);
kfree(video);
return_VALUE(0);
diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index 3760edf..70eaa5c 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -417,14 +417,12 @@
* Remember the beginning of the group, but don't free it
* until we've reached the beginning of the next group.
*/
- if (CommandGroup != NULL)
- kfree(CommandGroup);
- CommandGroup = Command;
+ kfree(CommandGroup);
+ CommandGroup = Command;
}
Controller->Commands[i] = NULL;
}
- if (CommandGroup != NULL)
- kfree(CommandGroup);
+ kfree(CommandGroup);
if (Controller->CombinedStatusBuffer != NULL)
{
@@ -435,30 +433,23 @@
if (ScatterGatherPool != NULL)
pci_pool_destroy(ScatterGatherPool);
- if (Controller->FirmwareType == DAC960_V1_Controller) return;
+ if (Controller->FirmwareType == DAC960_V1_Controller)
+ return;
if (RequestSensePool != NULL)
pci_pool_destroy(RequestSensePool);
- for (i = 0; i < DAC960_MaxLogicalDrives; i++)
- if (Controller->V2.LogicalDeviceInformation[i] != NULL)
- {
+ for (i = 0; i < DAC960_MaxLogicalDrives; i++) {
kfree(Controller->V2.LogicalDeviceInformation[i]);
Controller->V2.LogicalDeviceInformation[i] = NULL;
- }
+ }
for (i = 0; i < DAC960_V2_MaxPhysicalDevices; i++)
{
- if (Controller->V2.PhysicalDeviceInformation[i] != NULL)
- {
- kfree(Controller->V2.PhysicalDeviceInformation[i]);
- Controller->V2.PhysicalDeviceInformation[i] = NULL;
- }
- if (Controller->V2.InquiryUnitSerialNumber[i] != NULL)
- {
- kfree(Controller->V2.InquiryUnitSerialNumber[i]);
- Controller->V2.InquiryUnitSerialNumber[i] = NULL;
- }
+ kfree(Controller->V2.PhysicalDeviceInformation[i]);
+ Controller->V2.PhysicalDeviceInformation[i] = NULL;
+ kfree(Controller->V2.InquiryUnitSerialNumber[i]);
+ Controller->V2.InquiryUnitSerialNumber[i] = NULL;
}
}
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 486b6e1..a97c80b 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1096,14 +1096,11 @@
cleanup1:
if (buff) {
for(i=0; i<sg_used; i++)
- if(buff[i] != NULL)
- kfree(buff[i]);
+ kfree(buff[i]);
kfree(buff);
}
- if (buff_size)
- kfree(buff_size);
- if (ioc)
- kfree(ioc);
+ kfree(buff_size);
+ kfree(ioc);
return(status);
}
default:
@@ -3034,8 +3031,7 @@
return(1);
clean4:
- if(hba[i]->cmd_pool_bits)
- kfree(hba[i]->cmd_pool_bits);
+ kfree(hba[i]->cmd_pool_bits);
if(hba[i]->cmd_pool)
pci_free_consistent(hba[i]->pdev,
NR_CMDS * sizeof(CommandList_struct),
diff --git a/drivers/fc4/fc.c b/drivers/fc4/fc.c
index e375995..5c89435 100644
--- a/drivers/fc4/fc.c
+++ b/drivers/fc4/fc.c
@@ -554,8 +554,8 @@
l->logi = kzalloc (count * 3 * sizeof(logi), GFP_KERNEL);
l->fcmds = kzalloc (count * sizeof(fcp_cmnd), GFP_KERNEL);
if (!l->logi || !l->fcmds) {
- if (l->logi) kfree (l->logi);
- if (l->fcmds) kfree (l->fcmds);
+ kfree (l->logi);
+ kfree (l->fcmds);
kfree (l);
printk ("FC: Cannot allocate DMA memory for initialization\n");
return -ENOMEM;
@@ -674,7 +674,6 @@
atomic_set (&l.todo, count);
l.fcmds = kzalloc (count * sizeof(fcp_cmnd), GFP_KERNEL);
if (!l.fcmds) {
- kfree (l.fcmds);
printk ("FC: Cannot allocate memory for forcing offline\n");
return -ENOMEM;
}
diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c
index 9265f32..ffdb3a0 100644
--- a/drivers/hwmon/w83781d.c
+++ b/drivers/hwmon/w83781d.c
@@ -976,11 +976,9 @@
ERROR_SC_3:
i2c_detach_client(data->lm75[0]);
ERROR_SC_2:
- if (data->lm75[1])
- kfree(data->lm75[1]);
+ kfree(data->lm75[1]);
ERROR_SC_1:
- if (data->lm75[0])
- kfree(data->lm75[0]);
+ kfree(data->lm75[0]);
ERROR_SC_0:
return err;
}
diff --git a/drivers/i2c/busses/i2c-amd756-s4882.c b/drivers/i2c/busses/i2c-amd756-s4882.c
index f51ab65..56c7d98 100644
--- a/drivers/i2c/busses/i2c-amd756-s4882.c
+++ b/drivers/i2c/busses/i2c-amd756-s4882.c
@@ -245,10 +245,8 @@
kfree(s4882_adapter);
s4882_adapter = NULL;
}
- if (s4882_algo) {
- kfree(s4882_algo);
- s4882_algo = NULL;
- }
+ kfree(s4882_algo);
+ s4882_algo = NULL;
/* Restore physical bus */
if (i2c_add_adapter(&amd756_smbus))
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 74d2ab0..c2f4792 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -3292,12 +3292,9 @@
ide_drive_t *drive = info->drive;
struct gendisk *g = info->disk;
- if (info->buffer != NULL)
- kfree(info->buffer);
- if (info->toc != NULL)
- kfree(info->toc);
- if (info->changer_info != NULL)
- kfree(info->changer_info);
+ kfree(info->buffer);
+ kfree(info->toc);
+ kfree(info->changer_info);
if (devinfo->handle == drive && unregister_cdrom(devinfo))
printk(KERN_ERR "%s: %s failed to unregister device from the cdrom "
"driver.\n", __FUNCTION__, drive->name);
@@ -3487,12 +3484,9 @@
if (ide_cdrom_setup(drive)) {
struct cdrom_device_info *devinfo = &info->devinfo;
ide_unregister_subdriver(drive, &ide_cdrom_driver);
- if (info->buffer != NULL)
- kfree(info->buffer);
- if (info->toc != NULL)
- kfree(info->toc);
- if (info->changer_info != NULL)
- kfree(info->changer_info);
+ kfree(info->buffer);
+ kfree(info->toc);
+ kfree(info->changer_info);
if (devinfo->handle == drive && unregister_cdrom(devinfo))
printk (KERN_ERR "%s: ide_cdrom_cleanup failed to unregister device from the cdrom driver.\n", drive->name);
kfree(info);
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index e6695e5..02167a5 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1315,10 +1315,8 @@
drive->devfs_name[0] = '\0';
}
ide_remove_drive_from_hwgroup(drive);
- if (drive->id != NULL) {
- kfree(drive->id);
- drive->id = NULL;
- }
+ kfree(drive->id);
+ drive->id = NULL;
drive->present = 0;
/* Messed up locking ... */
spin_unlock_irq(&ide_lock);
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index 9c3b4f6..7ec18fa 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -646,10 +646,8 @@
}
abort:
kfree(req_task);
- if (outbuf != NULL)
- kfree(outbuf);
- if (inbuf != NULL)
- kfree(inbuf);
+ kfree(outbuf);
+ kfree(inbuf);
// printk("IDE Taskfile ioctl ended. rc = %i\n", err);
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 1bbf678..9fe1980 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -888,8 +888,7 @@
return 0;
abort:
up(&ide_setting_sem);
- if (setting)
- kfree(setting);
+ kfree(setting);
return -1;
}
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 3d8175e..41d6b40 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -508,8 +508,7 @@
wait_event(mad_agent_priv->wait,
!atomic_read(&mad_agent_priv->refcount));
- if (mad_agent_priv->reg_req)
- kfree(mad_agent_priv->reg_req);
+ kfree(mad_agent_priv->reg_req);
ib_dereg_mr(mad_agent_priv->agent.mr);
kfree(mad_agent_priv);
}
@@ -2500,8 +2499,7 @@
static void destroy_mad_qp(struct ib_mad_qp_info *qp_info)
{
ib_destroy_qp(qp_info->qp);
- if (qp_info->snoop_table)
- kfree(qp_info->snoop_table);
+ kfree(qp_info->snoop_table);
}
/*
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 4015a91..948c1cc 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -271,8 +271,7 @@
goto exit;
}
- if (dev->name)
- kfree(dev->name);
+ kfree(dev->name);
size = strnlen(user_dev->name, UINPUT_MAX_NAME_SIZE) + 1;
dev->name = name = kmalloc(size, GFP_KERNEL);
@@ -372,11 +371,8 @@
if (test_bit(UIST_CREATED, &udev->state))
uinput_destroy_device(udev);
- if (udev->dev->name)
- kfree(udev->dev->name);
- if (udev->dev->phys)
- kfree(udev->dev->phys);
-
+ kfree(udev->dev->name);
+ kfree(udev->dev->phys);
kfree(udev->dev);
kfree(udev);
diff --git a/drivers/macintosh/adbhid.c b/drivers/macintosh/adbhid.c
index 8f02c15..c0b46bc 100644
--- a/drivers/macintosh/adbhid.c
+++ b/drivers/macintosh/adbhid.c
@@ -857,8 +857,7 @@
static void adbhid_input_unregister(int id)
{
input_unregister_device(adbhid[id]->input);
- if (adbhid[id]->keycode)
- kfree(adbhid[id]->keycode);
+ kfree(adbhid[id]->keycode);
kfree(adbhid[id]);
adbhid[id] = NULL;
}
diff --git a/drivers/mmc/wbsd.c b/drivers/mmc/wbsd.c
index 4ff67e7..e954b83 100644
--- a/drivers/mmc/wbsd.c
+++ b/drivers/mmc/wbsd.c
@@ -1602,8 +1602,7 @@
if (host->dma_addr)
dma_unmap_single(host->mmc->dev, host->dma_addr, WBSD_DMA_SIZE,
DMA_BIDIRECTIONAL);
- if (host->dma_buffer)
- kfree(host->dma_buffer);
+ kfree(host->dma_buffer);
if (host->dma >= 0)
free_dma(host->dma);
diff --git a/drivers/parport/probe.c b/drivers/parport/probe.c
index 6e6f42d..4b48b31 100644
--- a/drivers/parport/probe.c
+++ b/drivers/parport/probe.c
@@ -78,17 +78,15 @@
u++;
}
if (!strcmp(p, "MFG") || !strcmp(p, "MANUFACTURER")) {
- if (info->mfr)
- kfree (info->mfr);
+ kfree(info->mfr);
info->mfr = kstrdup(sep, GFP_KERNEL);
} else if (!strcmp(p, "MDL") || !strcmp(p, "MODEL")) {
- if (info->model)
- kfree (info->model);
+ kfree(info->model);
info->model = kstrdup(sep, GFP_KERNEL);
} else if (!strcmp(p, "CLS") || !strcmp(p, "CLASS")) {
int i;
- if (info->class_name)
- kfree (info->class_name);
+
+ kfree(info->class_name);
info->class_name = kstrdup(sep, GFP_KERNEL);
for (u = sep; *u; u++)
*u = toupper(*u);
@@ -102,21 +100,22 @@
info->class = PARPORT_CLASS_OTHER;
} else if (!strcmp(p, "CMD") ||
!strcmp(p, "COMMAND SET")) {
- if (info->cmdset)
- kfree (info->cmdset);
+ kfree(info->cmdset);
info->cmdset = kstrdup(sep, GFP_KERNEL);
/* if it speaks printer language, it's
probably a printer */
if (strstr(sep, "PJL") || strstr(sep, "PCL"))
guessed_class = PARPORT_CLASS_PRINTER;
} else if (!strcmp(p, "DES") || !strcmp(p, "DESCRIPTION")) {
- if (info->description)
- kfree (info->description);
+ kfree(info->description);
info->description = kstrdup(sep, GFP_KERNEL);
}
}
rock_on:
- if (q) p = q+1; else p=NULL;
+ if (q)
+ p = q + 1;
+ else
+ p = NULL;
}
/* If the device didn't tell us its class, maybe we have managed to
diff --git a/drivers/parport/share.c b/drivers/parport/share.c
index ae7becf..9cb3ab1 100644
--- a/drivers/parport/share.c
+++ b/drivers/parport/share.c
@@ -202,16 +202,11 @@
list_del(&port->full_list);
spin_unlock(&full_list_lock);
for (d = 0; d < 5; d++) {
- if (port->probe_info[d].class_name)
- kfree (port->probe_info[d].class_name);
- if (port->probe_info[d].mfr)
- kfree (port->probe_info[d].mfr);
- if (port->probe_info[d].model)
- kfree (port->probe_info[d].model);
- if (port->probe_info[d].cmdset)
- kfree (port->probe_info[d].cmdset);
- if (port->probe_info[d].description)
- kfree (port->probe_info[d].description);
+ kfree(port->probe_info[d].class_name);
+ kfree(port->probe_info[d].mfr);
+ kfree(port->probe_info[d].model);
+ kfree(port->probe_info[d].cmdset);
+ kfree(port->probe_info[d].description);
}
kfree(port->name);
@@ -618,9 +613,9 @@
return tmp;
out_free_all:
- kfree (tmp->state);
+ kfree(tmp->state);
out_free_pardevice:
- kfree (tmp);
+ kfree(tmp);
out:
parport_put_port (port);
module_put(port->ops->owner);
diff --git a/drivers/pci/hotplug/cpqphp_pci.c b/drivers/pci/hotplug/cpqphp_pci.c
index 93e39c4..00b81a7 100644
--- a/drivers/pci/hotplug/cpqphp_pci.c
+++ b/drivers/pci/hotplug/cpqphp_pci.c
@@ -259,8 +259,7 @@
sizeof(struct irq_routing_table)) / sizeof(struct irq_info);
// Make sure I got at least one entry
if (len == 0) {
- if (PCIIRQRoutingInfoLength != NULL)
- kfree(PCIIRQRoutingInfoLength );
+ kfree(PCIIRQRoutingInfoLength );
return -1;
}
@@ -275,8 +274,7 @@
ctrl->pci_bus->number = tbus;
pci_bus_read_config_dword (ctrl->pci_bus, *dev_num, PCI_VENDOR_ID, &work);
if (!nobridge || (work == 0xffffffff)) {
- if (PCIIRQRoutingInfoLength != NULL)
- kfree(PCIIRQRoutingInfoLength );
+ kfree(PCIIRQRoutingInfoLength );
return 0;
}
@@ -289,20 +287,17 @@
dbg("Scan bus for Non Bridge: bus %d\n", tbus);
if (PCI_ScanBusForNonBridge(ctrl, tbus, dev_num) == 0) {
*bus_num = tbus;
- if (PCIIRQRoutingInfoLength != NULL)
- kfree(PCIIRQRoutingInfoLength );
+ kfree(PCIIRQRoutingInfoLength );
return 0;
}
} else {
- if (PCIIRQRoutingInfoLength != NULL)
- kfree(PCIIRQRoutingInfoLength );
+ kfree(PCIIRQRoutingInfoLength );
return 0;
}
}
}
- if (PCIIRQRoutingInfoLength != NULL)
- kfree(PCIIRQRoutingInfoLength );
+ kfree(PCIIRQRoutingInfoLength );
return -1;
}
diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c
index 3afb682..2dc3e61 100644
--- a/drivers/pcmcia/cistpl.c
+++ b/drivers/pcmcia/cistpl.c
@@ -334,10 +334,8 @@
/*
* If there was a fake CIS, destroy that as well.
*/
- if (s->fake_cis) {
- kfree(s->fake_cis);
- s->fake_cis = NULL;
- }
+ kfree(s->fake_cis);
+ s->fake_cis = NULL;
}
EXPORT_SYMBOL(destroy_cis_cache);
@@ -386,10 +384,8 @@
int pcmcia_replace_cis(struct pcmcia_socket *s, cisdump_t *cis)
{
- if (s->fake_cis != NULL) {
- kfree(s->fake_cis);
- s->fake_cis = NULL;
- }
+ kfree(s->fake_cis);
+ s->fake_cis = NULL;
if (cis->Length > CISTPL_MAX_CIS_SIZE)
return CS_BAD_SIZE;
s->fake_cis = kmalloc(cis->Length, GFP_KERNEL);
diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c
index d5e7642..234cdca 100644
--- a/drivers/pcmcia/cs.c
+++ b/drivers/pcmcia/cs.c
@@ -331,10 +331,8 @@
cb_free(s);
#endif
s->functions = 0;
- if (s->config) {
- kfree(s->config);
- s->config = NULL;
- }
+ kfree(s->config);
+ s->config = NULL;
{
int status;
diff --git a/drivers/sbus/char/envctrl.c b/drivers/sbus/char/envctrl.c
index b0cc3c2..ba56762 100644
--- a/drivers/sbus/char/envctrl.c
+++ b/drivers/sbus/char/envctrl.c
@@ -1125,10 +1125,9 @@
misc_deregister(&envctrl_dev);
out_iounmap:
iounmap(i2c);
- for (i = 0; i < ENVCTRL_MAX_CPU * 2; i++) {
- if (i2c_childlist[i].tables)
- kfree(i2c_childlist[i].tables);
- }
+ for (i = 0; i < ENVCTRL_MAX_CPU * 2; i++)
+ kfree(i2c_childlist[i].tables);
+
return err;
}
@@ -1141,10 +1140,8 @@
iounmap(i2c);
misc_deregister(&envctrl_dev);
- for (i = 0; i < ENVCTRL_MAX_CPU * 2; i++) {
- if (i2c_childlist[i].tables)
- kfree(i2c_childlist[i].tables);
- }
+ for (i = 0; i < ENVCTRL_MAX_CPU * 2; i++)
+ kfree(i2c_childlist[i].tables);
}
module_init(envctrl_init);
diff --git a/drivers/video/i810/i810_main.c b/drivers/video/i810/i810_main.c
index 1d148c5..c0c974b 100644
--- a/drivers/video/i810/i810_main.c
+++ b/drivers/video/i810/i810_main.c
@@ -2057,8 +2057,7 @@
iounmap(par->mmio_start_virtual);
if (par->aperture.virtual)
iounmap(par->aperture.virtual);
- if (par->edid)
- kfree(par->edid);
+ kfree(par->edid);
if (par->res_flags & FRAMEBUFFER_REQ)
release_mem_region(par->aperture.physical,
par->aperture.size);
diff --git a/drivers/w1/w1_ds2433.c b/drivers/w1/w1_ds2433.c
index 279e0e0..1e3d98a 100644
--- a/drivers/w1/w1_ds2433.c
+++ b/drivers/w1/w1_ds2433.c
@@ -299,10 +299,8 @@
static void w1_f23_remove_slave(struct w1_slave *sl)
{
#ifdef CONFIG_W1_F23_CRC
- if (sl->family_data) {
- kfree(sl->family_data);
- sl->family_data = NULL;
- }
+ kfree(sl->family_data);
+ sl->family_data = NULL;
#endif /* CONFIG_W1_F23_CRC */
sysfs_remove_bin_file(&sl->dev.kobj, &w1_f23_bin_attr);
}