提交 1e444be0 编写于 作者: D David Herrmann 提交者: Dave Airlie

drm: drop unused drm_master->unique_size

This field is unused and there is really no reason to optimize
unique-allocations. Drop it.
Signed-off-by: NDavid Herrmann <dh.herrmann@gmail.com>
Reviewed-by: NThierry Reding <treding@nvidia.com>
Reviewed-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: NDave Airlie <airlied@redhat.com>
上级 d0a39164
......@@ -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;
}
/**
......
......@@ -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;
......
......@@ -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;
}
......
......@@ -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;
......
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