]> err.no Git - linux-2.6/blobdiff - drivers/media/video/se401.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy...
[linux-2.6] / drivers / media / video / se401.c
index 038448f5a9781f3e5ea6463c00d411543fe9e2f4..d5d7d6cf734aba40ca0c224051a206bd52fd1b4a 100644 (file)
@@ -450,6 +450,13 @@ static int se401_start_stream(struct usb_se401 *se401)
        }
        for (i=0; i<SE401_NUMSBUF; i++) {
                se401->sbuf[i].data=kmalloc(SE401_PACKETSIZE, GFP_KERNEL);
+               if (!se401->sbuf[i].data) {
+                       for(i = i - 1; i >= 0; i--) {
+                               kfree(se401->sbuf[i].data);
+                               se401->sbuf[i].data = NULL;
+                       }
+                       return -ENOMEM;
+               }
        }
 
        se401->bayeroffset=0;
@@ -458,13 +465,26 @@ static int se401_start_stream(struct usb_se401 *se401)
        se401->scratch_overflow=0;
        for (i=0; i<SE401_NUMSCRATCH; i++) {
                se401->scratch[i].data=kmalloc(SE401_PACKETSIZE, GFP_KERNEL);
+               if (!se401->scratch[i].data) {
+                       for(i = i - 1; i >= 0; i--) {
+                               kfree(se401->scratch[i].data);
+                               se401->scratch[i].data = NULL;
+                       }
+                       goto nomem_sbuf;
+               }
                se401->scratch[i].state=BUFFER_UNUSED;
        }
 
        for (i=0; i<SE401_NUMSBUF; i++) {
                urb=usb_alloc_urb(0, GFP_KERNEL);
-               if(!urb)
-                       return -ENOMEM;
+               if(!urb) {
+                       for(i = i - 1; i >= 0; i--) {
+                               usb_kill_urb(se401->urb[i]);
+                               usb_free_urb(se401->urb[i]);
+                               se401->urb[i] = NULL;
+                       }
+                       goto nomem_scratch;
+               }
 
                usb_fill_bulk_urb(urb, se401->dev,
                        usb_rcvbulkpipe(se401->dev, SE401_VIDEO_ENDPOINT),
@@ -482,6 +502,18 @@ static int se401_start_stream(struct usb_se401 *se401)
        se401->framecount=0;
 
        return 0;
+
+ nomem_scratch:
+       for (i=0; i<SE401_NUMSCRATCH; i++) {
+               kfree(se401->scratch[i].data);
+               se401->scratch[i].data = NULL;
+       }
+ nomem_sbuf:
+       for (i=0; i<SE401_NUMSBUF; i++) {
+               kfree(se401->sbuf[i].data);
+               se401->sbuf[i].data = NULL;
+       }
+       return -ENOMEM;
 }
 
 static int se401_stop_stream(struct usb_se401 *se401)
@@ -1199,7 +1231,6 @@ static struct video_device se401_template = {
        .owner =        THIS_MODULE,
        .name =         "se401 USB camera",
        .type =         VID_TYPE_CAPTURE,
-       .hardware =     VID_HARDWARE_SE401,
        .fops =         &se401_fops,
 };