[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/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;
}