diff options
Diffstat (limited to 'drivers/video/udlfb.c')
| -rw-r--r-- | drivers/video/udlfb.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/video/udlfb.c b/drivers/video/udlfb.c index 68041d9dc260..52b0f3e8ccac 100644 --- a/drivers/video/udlfb.c +++ b/drivers/video/udlfb.c @@ -27,7 +27,9 @@ #include <linux/fb.h> #include <linux/vmalloc.h> #include <linux/slab.h> +#include <linux/prefetch.h> #include <linux/delay.h> +#include <linux/prefetch.h> #include <video/udlfb.h> #include "edid.h" @@ -1586,10 +1588,19 @@ static int dlfb_usb_probe(struct usb_interface *interface, goto error; } - for (i = 0; i < ARRAY_SIZE(fb_device_attrs); i++) - device_create_file(info->dev, &fb_device_attrs[i]); + for (i = 0; i < ARRAY_SIZE(fb_device_attrs); i++) { + retval = device_create_file(info->dev, &fb_device_attrs[i]); + if (retval) { + pr_err("device_create_file failed %d\n", retval); + goto err_del_attrs; + } + } - device_create_bin_file(info->dev, &edid_attr); + retval = device_create_bin_file(info->dev, &edid_attr); + if (retval) { + pr_err("device_create_bin_file failed %d\n", retval); + goto err_del_attrs; + } pr_info("DisplayLink USB device /dev/fb%d attached. %dx%d resolution." " Using %dK framebuffer memory\n", info->node, @@ -1598,6 +1609,10 @@ static int dlfb_usb_probe(struct usb_interface *interface, info->fix.smem_len * 2 : info->fix.smem_len) >> 10); return 0; +err_del_attrs: + for (i -= 1; i >= 0; i--) + device_remove_file(info->dev, &fb_device_attrs[i]); + error: if (dev) { |