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[PATCH] kfree cleanup: misc remaining drivers

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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 <[email protected]>
Acked-by: Aristeu Sergio Rozanski Filho <[email protected]>
Acked-by: Roland Dreier <[email protected]>
Acked-by: Pierre Ossman <[email protected]>
Acked-by: Jean Delvare <[email protected]>
Acked-by: Greg Kroah-Hartman <[email protected]>
Acked-by: Len Brown <[email protected]>
Acked-by: "Antonino A. Daplas" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Jesper Juhl 2005-11-07 01:01:32 -08:00 • committed by Linus Torvalds
commit 6044ec8882
24 changed files with 83 additions and 151 deletions
Download patch file Download diff file Expand all files Collapse all files

18
drivers/ide/ide-cd.c
View file

@ -3292,12 +3292,9 @@ static void ide_cd_release(struct kref *kref)
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 @@ static int ide_cd_probe(struct device *dev)
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);

6
drivers/ide/ide-probe.c
View file

@ -1315,10 +1315,8 @@ static void drive_release_dev (struct device *dev)
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);

6
drivers/ide/ide-taskfile.c
View file

@ -646,10 +646,8 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
}
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);

3
drivers/ide/ide.c
View file

@ -888,8 +888,7 @@ static int __ide_add_setting(ide_drive_t *drive, const char *name, int rw, int r
return 0;
abort:
up(&ide_setting_sem);
if (setting)
kfree(setting);
kfree(setting);
return -1;
}