fb: handle allocation failure in alloc_apertures()

[net-next-2.6.git] / include / linux / fb.h

diff --git a/include/linux/fb.h b/include/linux/fb.h
index 907ace3a64c8abef33aff5a1d7e3bc3c72337a54..e7445df44d6c9324fd32a85ee1145415ecbd7960 100644 (file)
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -786,8 +786,6 @@ struct fb_tile_ops {
 #define FBINFO_MISC_USEREVENT          0x10000 /* event request
                                                  from userspace */
 #define FBINFO_MISC_TILEBLITTING       0x20000 /* use tile blitting */
-#define FBINFO_MISC_FIRMWARE           0x40000 /* a replaceable firmware
-                                                 inited framebuffer */
 
 /* A driver may set this flag to indicate that it does want a set_par to be
  * called every time when fbcon_switch is executed. The advantage is that with
@@ -801,6 +799,8 @@ struct fb_tile_ops {
  */
 #define FBINFO_MISC_ALWAYS_SETPAR   0x40000
 
+/* where the fb is a firmware driver, and can be replaced with a proper one */
+#define FBINFO_MISC_FIRMWARE        0x80000
 /*
  * Host and GPU endianness differ.
  */
@@ -873,6 +873,8 @@ struct fb_info {
 static inline struct apertures_struct *alloc_apertures(unsigned int max_num) {
        struct apertures_struct *a = kzalloc(sizeof(struct apertures_struct)
                        + max_num * sizeof(struct aperture), GFP_KERNEL);
+       if (!a)
+               return NULL;
        a->count = max_num;
        return a;
 }