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authorDave Airlie <airlied@starflyer.(none)>2006-01-02 05:19:39 -0500
committerDave Airlie <airlied@linux.ie>2006-01-02 05:19:39 -0500
commitfe34765be1ee9465b10406e6e5dddbd43ddc4fbe (patch)
tree0e9ec196e83729b7a10f941c5429878d11ae51b5 /drivers
parentb3a80a223d5f1af1e1713383376e5472cec4e20c (diff)
drm: drm_ioctl.c sync with fixes from CVS
Apply the fixes from CVS that were outstanding for this file Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/char/drm/drm_ioctl.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/char/drm/drm_ioctl.c b/drivers/char/drm/drm_ioctl.c
index a654ac17a900..bcd4e604d3ec 100644
--- a/drivers/char/drm/drm_ioctl.c
+++ b/drivers/char/drm/drm_ioctl.c
@@ -137,17 +137,22 @@ int drm_setunique(struct inode *inode, struct file *filp,
137 137
138static int drm_set_busid(drm_device_t * dev) 138static int drm_set_busid(drm_device_t * dev)
139{ 139{
140 int len;
141
140 if (dev->unique != NULL) 142 if (dev->unique != NULL)
141 return EBUSY; 143 return EBUSY;
142 144
143 dev->unique_len = 20; 145 dev->unique_len = 40;
144 dev->unique = drm_alloc(dev->unique_len + 1, DRM_MEM_DRIVER); 146 dev->unique = drm_alloc(dev->unique_len + 1, DRM_MEM_DRIVER);
145 if (dev->unique == NULL) 147 if (dev->unique == NULL)
146 return ENOMEM; 148 return ENOMEM;
147 149
148 snprintf(dev->unique, dev->unique_len, "pci:%04x:%02x:%02x.%d", 150 len = snprintf(dev->unique, dev->unique_len, "pci:%04x:%02x:%02x.%d",
149 dev->pci_domain, dev->pci_bus, dev->pci_slot, dev->pci_func); 151 dev->pci_domain, dev->pci_bus, dev->pci_slot, dev->pci_func);
150 152
153 if (len > dev->unique_len)
154 DRM_ERROR("Unique buffer overflowed\n");
155
151 dev->devname = 156 dev->devname =
152 drm_alloc(strlen(dev->driver->pci_driver.name) + dev->unique_len + 157 drm_alloc(strlen(dev->driver->pci_driver.name) + dev->unique_len +
153 2, DRM_MEM_DRIVER); 158 2, DRM_MEM_DRIVER);
@@ -239,7 +244,7 @@ int drm_getclient(struct inode *inode, struct file *filp,
239{ 244{
240 drm_file_t *priv = filp->private_data; 245 drm_file_t *priv = filp->private_data;
241 drm_device_t *dev = priv->head->dev; 246 drm_device_t *dev = priv->head->dev;
242 drm_client_t __user *argp = (void __user *)arg; 247 drm_client_t __user *argp = (drm_client_t __user *)arg;
243 drm_client_t client; 248 drm_client_t client;
244 drm_file_t *pt; 249 drm_file_t *pt;
245 int idx; 250 int idx;
@@ -262,7 +267,7 @@ int drm_getclient(struct inode *inode, struct file *filp,
262 client.iocs = pt->ioctl_count; 267 client.iocs = pt->ioctl_count;
263 up(&dev->struct_sem); 268 up(&dev->struct_sem);
264 269
265 if (copy_to_user((drm_client_t __user *) arg, &client, sizeof(client))) 270 if (copy_to_user(argp, &client, sizeof(client)))
266 return -EFAULT; 271 return -EFAULT;
267 return 0; 272 return 0;
268} 273}
@@ -339,7 +344,7 @@ int drm_setversion(DRM_IOCTL_ARGS)
339 if (sv.drm_di_major != DRM_IF_MAJOR || 344 if (sv.drm_di_major != DRM_IF_MAJOR ||
340 sv.drm_di_minor < 0 || sv.drm_di_minor > DRM_IF_MINOR) 345 sv.drm_di_minor < 0 || sv.drm_di_minor > DRM_IF_MINOR)
341 return EINVAL; 346 return EINVAL;
342 if_version = DRM_IF_VERSION(sv.drm_di_major, sv.drm_dd_minor); 347 if_version = DRM_IF_VERSION(sv.drm_di_major, sv.drm_di_minor);
343 dev->if_version = DRM_MAX(if_version, dev->if_version); 348 dev->if_version = DRM_MAX(if_version, dev->if_version);
344 if (sv.drm_di_minor >= 1) { 349 if (sv.drm_di_minor >= 1) {
345 /* 350 /*