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path: root/drivers/char/drm/drm_auth.c
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Diffstat (limited to 'drivers/char/drm/drm_auth.c')
-rw-r--r--drivers/char/drm/drm_auth.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/char/drm/drm_auth.c b/drivers/char/drm/drm_auth.c
index a47b502bc7cc..2a37586a7ee8 100644
--- a/drivers/char/drm/drm_auth.c
+++ b/drivers/char/drm/drm_auth.c
@@ -56,7 +56,7 @@ static int drm_hash_magic(drm_magic_t magic)
* \param magic magic number.
*
* Searches in drm_device::magiclist within all files with the same hash key
- * the one with matching magic number, while holding the drm_device::struct_sem
+ * the one with matching magic number, while holding the drm_device::struct_mutex
* lock.
*/
static drm_file_t *drm_find_file(drm_device_t * dev, drm_magic_t magic)
@@ -65,14 +65,14 @@ static drm_file_t *drm_find_file(drm_device_t * dev, drm_magic_t magic)
drm_magic_entry_t *pt;
int hash = drm_hash_magic(magic);
- down(&dev->struct_sem);
+ mutex_lock(&dev->struct_mutex);
for (pt = dev->magiclist[hash].head; pt; pt = pt->next) {
if (pt->magic == magic) {
retval = pt->priv;
break;
}
}
- up(&dev->struct_sem);
+ mutex_unlock(&dev->struct_mutex);
return retval;
}
@@ -85,7 +85,7 @@ static drm_file_t *drm_find_file(drm_device_t * dev, drm_magic_t magic)
*
* Creates a drm_magic_entry structure and appends to the linked list
* associated the magic number hash key in drm_device::magiclist, while holding
- * the drm_device::struct_sem lock.
+ * the drm_device::struct_mutex lock.
*/
static int drm_add_magic(drm_device_t * dev, drm_file_t * priv,
drm_magic_t magic)
@@ -104,7 +104,7 @@ static int drm_add_magic(drm_device_t * dev, drm_file_t * priv,
entry->priv = priv;
entry->next = NULL;
- down(&dev->struct_sem);
+ mutex_lock(&dev->struct_mutex);
if (dev->magiclist[hash].tail) {
dev->magiclist[hash].tail->next = entry;
dev->magiclist[hash].tail = entry;
@@ -112,7 +112,7 @@ static int drm_add_magic(drm_device_t * dev, drm_file_t * priv,
dev->magiclist[hash].head = entry;
dev->magiclist[hash].tail = entry;
}
- up(&dev->struct_sem);
+ mutex_unlock(&dev->struct_mutex);
return 0;
}
@@ -124,7 +124,7 @@ static int drm_add_magic(drm_device_t * dev, drm_file_t * priv,
* \param magic magic number.
*
* Searches and unlinks the entry in drm_device::magiclist with the magic
- * number hash key, while holding the drm_device::struct_sem lock.
+ * number hash key, while holding the drm_device::struct_mutex lock.
*/
static int drm_remove_magic(drm_device_t * dev, drm_magic_t magic)
{
@@ -135,7 +135,7 @@ static int drm_remove_magic(drm_device_t * dev, drm_magic_t magic)
DRM_DEBUG("%d\n", magic);
hash = drm_hash_magic(magic);
- down(&dev->struct_sem);
+ mutex_lock(&dev->struct_mutex);
for (pt = dev->magiclist[hash].head; pt; prev = pt, pt = pt->next) {
if (pt->magic == magic) {
if (dev->magiclist[hash].head == pt) {
@@ -147,11 +147,11 @@ static int drm_remove_magic(drm_device_t * dev, drm_magic_t magic)
if (prev) {
prev->next = pt->next;
}
- up(&dev->struct_sem);
+ mutex_unlock(&dev->struct_mutex);
return 0;
}
}
- up(&dev->struct_sem);
+ mutex_unlock(&dev->struct_mutex);
drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC);