diff options
Diffstat (limited to 'drivers/video/fbdev/smscufx.c')
| -rw-r--r-- | drivers/video/fbdev/smscufx.c | 59 |
1 files changed, 22 insertions, 37 deletions
diff --git a/drivers/video/fbdev/smscufx.c b/drivers/video/fbdev/smscufx.c index 8db7085e5d1a..22b606af0a87 100644 --- a/drivers/video/fbdev/smscufx.c +++ b/drivers/video/fbdev/smscufx.c @@ -1293,7 +1293,6 @@ static struct fb_ops ufx_ops = { * Assumes no active clients have framebuffer open */ static int ufx_realloc_framebuffer(struct ufx_data *dev, struct fb_info *info) { - int retval = -ENOMEM; int old_len = info->fix.smem_len; int new_len; unsigned char *old_fb = info->screen_base; @@ -1308,10 +1307,8 @@ static int ufx_realloc_framebuffer(struct ufx_data *dev, struct fb_info *info) * Alloc system memory for virtual framebuffer */ new_fb = vmalloc(new_len); - if (!new_fb) { - pr_err("Virtual framebuffer alloc failed"); - goto error; - } + if (!new_fb) + return -ENOMEM; if (info->screen_base) { memcpy(new_fb, old_fb, old_len); @@ -1323,11 +1320,7 @@ static int ufx_realloc_framebuffer(struct ufx_data *dev, struct fb_info *info) info->fix.smem_start = (unsigned long) new_fb; info->flags = smscufx_info_flags; } - - retval = 0; - -error: - return retval; + return 0; } /* sets up I2C Controller for 100 Kbps, std. speed, 7-bit addr, master, @@ -1620,8 +1613,8 @@ static int ufx_usb_probe(struct usb_interface *interface, { struct usb_device *usbdev; struct ufx_data *dev; - struct fb_info *info = NULL; - int retval = -ENOMEM; + struct fb_info *info; + int retval; u32 id_rev, fpga_rev; /* usb initialization */ @@ -1631,7 +1624,7 @@ static int ufx_usb_probe(struct usb_interface *interface, dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (dev == NULL) { dev_err(&usbdev->dev, "ufx_usb_probe: failed alloc of dev struct\n"); - goto error; + return -ENOMEM; } /* we need to wait for both usb and fbdev to spin down on disconnect */ @@ -1652,9 +1645,8 @@ static int ufx_usb_probe(struct usb_interface *interface, dev_dbg(dev->gdev, "fb_defio enable=%d\n", fb_defio); if (!ufx_alloc_urb_list(dev, WRITES_IN_FLIGHT, MAX_TRANSFER)) { - retval = -ENOMEM; dev_err(dev->gdev, "ufx_alloc_urb_list failed\n"); - goto error; + goto e_nomem; } /* We don't register a new USB class. Our client interface is fbdev */ @@ -1662,9 +1654,8 @@ static int ufx_usb_probe(struct usb_interface *interface, /* allocates framebuffer driver structure, not framebuffer memory */ info = framebuffer_alloc(0, &usbdev->dev); if (!info) { - retval = -ENOMEM; dev_err(dev->gdev, "framebuffer_alloc failed\n"); - goto error; + goto e_nomem; } dev->info = info; @@ -1675,7 +1666,7 @@ static int ufx_usb_probe(struct usb_interface *interface, retval = fb_alloc_cmap(&info->cmap, 256, 0); if (retval < 0) { dev_err(dev->gdev, "fb_alloc_cmap failed %x\n", retval); - goto error; + goto destroy_modedb; } INIT_DELAYED_WORK(&dev->free_framebuffer_work, @@ -1736,26 +1727,20 @@ static int ufx_usb_probe(struct usb_interface *interface, return 0; error: - if (dev) { - if (info) { - if (info->cmap.len != 0) - fb_dealloc_cmap(&info->cmap); - if (info->monspecs.modedb) - fb_destroy_modedb(info->monspecs.modedb); - vfree(info->screen_base); - - fb_destroy_modelist(&info->modelist); - - framebuffer_release(info); - } - - kref_put(&dev->kref, ufx_free); /* ref for framebuffer */ - kref_put(&dev->kref, ufx_free); /* last ref from kref_init */ - - /* dev has been deallocated. Do not dereference */ - } - + fb_dealloc_cmap(&info->cmap); +destroy_modedb: + fb_destroy_modedb(info->monspecs.modedb); + vfree(info->screen_base); + fb_destroy_modelist(&info->modelist); + framebuffer_release(info); +put_ref: + kref_put(&dev->kref, ufx_free); /* ref for framebuffer */ + kref_put(&dev->kref, ufx_free); /* last ref from kref_init */ return retval; + +e_nomem: + retval = -ENOMEM; + goto put_ref; } static void ufx_usb_disconnect(struct usb_interface *interface) |