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drm: drop unused drm_master->unique_size

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This field is unused and there is really no reason to optimize
unique-allocations. Drop it.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
David Herrmann 2014-08-29 12:12:42 +02:00 committed by Dave Airlie
parent d0a39164b6
commit 1e444be0ef
4 changed files with 1 additions and 7 deletions
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1
drivers/gpu/drm/drm_ioctl.c
View File

@ -189,7 +189,6 @@ drm_unset_busid(struct drm_device *dev,
kfree(master->unique);
master->unique = NULL;
master->unique_len = 0;
master->unique_size = 0;
}
/**

4
drivers/gpu/drm/drm_pci.c
View File

@ -138,7 +138,6 @@ static int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master)
return -ENOMEM;
master->unique_len = strlen(master->unique);
master->unique_size = master->unique_len + 1;
return 0;
}
@ -149,8 +148,7 @@ int drm_pci_set_unique(struct drm_device *dev,
int domain, bus, slot, func, ret;
master->unique_len = u->unique_len;
master->unique_size = u->unique_len + 1;
master->unique = kmalloc(master->unique_size, GFP_KERNEL);
master->unique = kmalloc(master->unique_len + 1, GFP_KERNEL);
if (!master->unique) {
ret = -ENOMEM;
goto err;

1
drivers/gpu/drm/drm_platform.c
View File

@ -82,7 +82,6 @@ static int drm_platform_set_busid(struct drm_device *dev, struct drm_master *mas
return -ENOMEM;
master->unique_len = strlen(master->unique);
master->unique_size = master->unique_len;
return 0;
}

2
include/drm/drmP.h
View File

@ -574,7 +574,6 @@ struct drm_gem_object {
* @minor: Link back to minor char device we are master for. Immutable.
* @unique: Unique identifier: e.g. busid. Protected by drm_global_mutex.
* @unique_len: Length of unique field. Protected by drm_global_mutex.
* @unique_size: Amount allocated. Protected by drm_global_mutex.
* @magiclist: Hash of used authentication tokens. Protected by struct_mutex.
* @magicfree: List of used authentication tokens. Protected by struct_mutex.
* @lock: DRI lock information.
@ -585,7 +584,6 @@ struct drm_master {
struct drm_minor *minor;
char *unique;
int unique_len;
int unique_size;
struct drm_open_hash magiclist;
struct list_head magicfree;
struct drm_lock_data lock;